Roberts, the doorway to successful horticulture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roberts Rose Company, 1932)

Rock River area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1996)

Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (H. W. Wilson, 1920)

Roehrs Nursery : at the sign of the tree - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1917)

Roehrs Nursery : at the sign of the tree : [catalog] - Roehrs, Julius, Company. (Julius Roehrs Co, 1917)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches, unter Mitwirkung von Max Bamberger [et. el.] - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1900)

Die rohstoffe des pflanzenreiches; versuch einer technischen rohstofflehre des pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1903)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1914)

Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1921)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1921)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1928)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1940)

Roses, vines, shrubs, perennials, evergreens, fruit trees, small fruits, ornamental trees, large tree moving, landscape contracting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons Company, 1938)

Rozpravy české akademie císaře Františka Josefa pro vědy, slovesnost a umění Třída II Mathematicko-přírodnicka - Česka akademie Císaře Františka Josefa pro vědy slovenost a umění. Třida II: Mathematicko-přírodnická. (1915)

Rubber and resin content of native and introduced plants of Canada - Minshall, William Harold, 1911 - (Canada Dept. of Agriculture, 1900)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1859)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1864)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1941)

Sale of nursery stock Fall, 1917 spring, 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1917)

Samen-Tauschliste - Schwabe, Willmar. (Arzneipflanzen-Lehr- und Versuchsgarten des wissenschaftlichen Laboratoriums Dr. Willmar Schwabe, 1937)

Samen-Verzeichnis des botanischen Gartens Darmstadt - Botanischer Garten Darmstadt. (1927)

Samen-Verzeichnis des botanischen Gartens in Halle a.S - Martin-Luther-Universität Halle-Wittenberg. Botanischer Garten. (Druck von Ehrhardt Karras)

Samen-Verzeichnis des botanischen Gartens in Halle a.S - Martin-Luther-Universität Halle-Wittenberg. Botanischer Garten. (Druck von Ehrhardt Karras, 1911)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation in Erie county, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Clapper, 1899)

The scented garden - Rohde, Eleanour Sinclair (Medici Society, 1900)

The Schoharie Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.A. Guernsey & Co., Inc, 1936)

Schoharie Nurseries : free landscape service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.A. Guernsey & Co. Inc, 1948)

Schoharie Nurseries, free landscape service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.A. Guernsey & Co, 1945)

Science - American Association for the Advancement of Science. ([s.n.], 1892)

Science - American Association for the Advancement of Science. ([s.n.], 1896)

Science - American Association for the Advancement of Science. ([s.n.], 1899)

The science of biology - Beaver, William C. (William Carl), 1896 - (C.V. Mosby Co, 1952)

Science progress (John Murray, 1921)

Scientific and applied pharmacognosy, intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists - Kraemer, Henry, 1868 -1924 (Wiley, 1920)

Scientific publications of the Cleveland Museum of Natural History - Cleveland Museum of Natural History (The Museum, 1928)

Season of 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob Schulz Company, Inc, 1924)

Season of 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob Schulz Company, Inc, 1925)

Season of 1925 : [catalog of] everything that is good and hardy - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1925)

Season of 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob Schulz Co. Incorporated, 1926)

Season of 1926 [catalog] : everything that is good and hardy - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1926)

Season wholesale price list : for spring 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles Fiore Nurseries, Incorporated, 1959)

Seed and nursery practice - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, [Plains Shelterbelt Project, 1936)

Seed for nurserymen : February, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1932)

Seed for nurserymen : January, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1932)

The seed plants, ferns, and fern allies of the Austin Region - Young, Mary Sophie, 1919 (The University, 1920)

Seedlings and transplants : hardy trees and plants for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1931)

Seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mische & Losier, 1931)

Seeds and plants for spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. Washburn & Sons, 1925)

Seeds for nurseryman and forester, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1931)

Seeds for nurserymen : April, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1950)

Seeds for nurserymen : Christmas tree growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1954)

Seeds for nurserymen : December, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1937)

Seeds for nurserymen : December, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

Seeds for nurserymen : December, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1942)

Seeds for nurserymen : December, 1943 : books for Christmas - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1943)

Seeds for nurserymen : fall, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1956)

Seeds for nurserymen : Fall 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers Seedsmen, Inc, 1959)

Seeds for nurserymen : February, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

Seeds for nurserymen : February, 1948 : wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Seeds for nurserymen, imported seeds : October, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1945)

Seeds for nurserymen : January, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1952)

Seeds for nurserymen : January, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1956)

Seeds for nurserymen : January, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1957)

Seeds for nurserymen : March, 1943 : vegetable seeds for plant growers and victory gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1943)

Seeds for nurserymen : March, 1944 : make early arrangements for 1944 crop seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1944)

Seeds for nurserymen, March, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1946)

Seeds for nurserymen : March/April 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers Seedsmen, Inc, 1959)

Seeds for nurserymen : May, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

Seeds for nurserymen : May, 1948 : wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Seeds for nurserymen : November, 1944 : holiday gifts, consult our book list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1944)

Seeds for nurserymen, November, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1946)

Seeds for nurserymen : October, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1944)

Seeds for nurserymen : October, 1948 : wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Seeds for nurserymen : October, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Seeds for nurserymen : October, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1955)

Seeds for nurserymen, September, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1946)

Seeds for nurserymen : September, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1947)

Seeds for nurserymen : September, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1953)

Seeds for nurserymen : this edition offers quality vegetable and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1954)

Seeds for nurserymen : tree & shrub, annual & perennial flower, vegetable - grass : February, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1954)

Seeds for nurserymen : Winter, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers Seedsmen, Inc, 1959)

Seeds for summer sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Conyers B. Fleu, Jr, 1931)

Seeds for the nurseryman and forester - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1935)

Seeds for the nurseryman and forester, 1937-8 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1937)

Seeds for the nurseryman and forester, 1937, fall and winter planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1937)

Seeds for the nurseryman and forester, 1938-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1938)

Seeds for the nurseryman and forester, 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1939)

Seeds for the nurseryman and forester, 1940-1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1940)

Seeds for the nurseryman and forester, 1941-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1941)

Seeds for the nurseryman and forester, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1945)

Seeds for the nurseryman and forester, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1946)

Seeds for the nurseryman and forester : 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1948)

Seeds for the nurseryman and forester : 1952-1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1952)

Seeds for the nurseryman and forester : 1953-1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1953)

Seeds for the nurseryman and forester : 1956-1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1956)

Seeds for the nurseryman and forester : 1958-1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1958)

Seeds for the nurseryman and forester, fall 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1946)

Seeds for the nurseryman and forester : fall 1947, preliminary offer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1947)

Seeds for the nurseryman and forester, fall 1948 : preliminary offer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1948)

Seeds for the nurseryman and forester, fall 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1950)

Seeds for the nurseryman and forester, fall 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1951)

Seeds of trees and shrubs offered by F. W. Schumacher Seed Exchange - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. W. Schumacher Seed Exchange, 1929)

A select list of choice shrubs and flowers grown by the Andrews Nursery, Faribault, Minnesota : let nature's rich beauty surround your home : [catalog and bulletin] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andrews Nursery, 1926)

A select list of choice shrubs and flowers grown by the Andrews Nursery, Faribault, Minnesota : let nature's rich beauty surround your home : [catalog and bulletin] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andrews Nursery, 1929)

A select list of choice shrubs and flowers grown by the Andrews Nursery, Faribault, Minnesota : let nature's rich beauty surround your home : [catalog and bulletin] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andrews Nursery, 1927)

Selected western flora : Manitoba, Saskatchewan, Alberta - Hales, B. J. (Benjamin Jones), 1868 -1945 (Macmillan Company of Canada, 1919)

Selected western flora, Manitoba, Saskatchewan, Alberta - Hales, B. J. (Benjamin Jones), 1868 -1945 (the Macmillan Co. of Canada, 1915)

Semi annual trade list : Spring 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1904)

Semillas recolectadas durante ano ... y que se ofrecen a cambio de otras - Universidad de Valencia. Jardin Botanico. (Imprenta de Manuel Alufre, 1895)

Semillas recolectadas durante ano ... y que se ofrecen a cambio de otras - Universidad de Valencia. Jardin Botanico. (Imprenta de Manuel Alufre, 1904)

Semillas recolectadas durante ano ... y que se ofrecen a cambio de otras - Universidad de Valencia. Jardin Botanico. (Imprenta de Manuel Alufre, 1905)

Semillas recolectadas durante ano ... y que se ofrecen a cambio de otras - Universidad de Valencia. Jardin Botanico. (Imprenta de Manuel Alufre, 1907)

Semillas recolectadas durante ano ... y que se ofrecen a cambio de otras - Universidad de Valencia. Jardin Botanico. (Imprenta de Manuel Alufre, 1912)

Semillas recolectadas durante ano ... y que se ofrecen a cambio de otras - Universidad de Valencia. Jardin Botanico. (Imprenta de Manuel Alufre, 1914)

Sempervirens : the quarterly of the Virginia Native Plant Society - Virginia Native Plant Society. (The Society, 2017)

Sempervirens : the quarterly of the Virginia Native Plant Society - Virginia Native Plant Society. (The Society, 2018)

Sempervirens : the quarterly of the Virginia Native Plant Society - Virginia Native Plant Society. (The Society, 2021)

September 1931 seed for nurserymen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1931)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1929)

Seventy-five varieties nectar and pollen producing plants, shrubs, and trees for your bee pasture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nicollet County Nursery, 1951)

Seventy-five varieties nectar and pollen producing plants, shrubs, and trees for your bee pasture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nicollet County Nursery, 1952)

shang hai zhi wu ming lu - Xu, Binsheng (ke ji wei sheng chu ban she)

Sheep husbandry; with an account of different breeds... - Randall, Henry Stephens, 1811 -1876 (Orange Judd & Co, 1860)

Sheep husbandry; with an account of the different breeds, and general directions in regard to summer and winter management, breeding, and the treatment of diseases - Randall, Henry Stephens, 1811 -1876 (A. O. Moore, 1859)

sheng yao xue (jiang su ren min chu ban she)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices for the year of 1936 : catalog No. 118 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1936)

A short guide to the best varieties of evergreens, shade trees, shrubs, forestry seedlings, transplants, etc. : with special quantity prices for the year of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1934)

Shortia : a newsletter of the Western Carolina Botanical Club - Western Carolina Botanical Club. (The Club, 2002)

Shrubs of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1982)

Shrubs, trees and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roberts Rose Co, 1930)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1977)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1979)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1996)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2002)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2004)

The silva of North America a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1892)

A single limb on a tree in his father's orchard will carry this boy through college - Stark Bro's Nurseries & Orchards Co., (Stark Bro's, 1926)

Sixtieth annual catalog : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Woodward Manning, 1914)

Sixty-second annual price list of hardy trees, shrubs, fruits and flowers for New England planting No. 5 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Manning's Garden Service, 1916)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1980)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1991)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2021)

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1996)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1860)

Some unusual natural areas in Illinois and a few of their plants - Evers, Robert A. (Robert August), 1912 - (1963)

Some unusual natural areas in Illinois - Evers, Robert A. (Robert August), 1912 - (Illinois Natural History Survey, 1977)

The Southern Appalachian forests - Ashe, W. W. (William Willard), 1872 -1932 (Govt. Print. Off, 1905)

The Southern planter (P.D. Bernard, 1859)

Southwestern horticulture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Co, 1932)

Southwestern horticulture : 60th Anniversary edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Co, 1959)

Southwestern horticulture : descriptive price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Co, 1932)

Southwestern horticulture : descriptive price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Company, 1936)

Southwestern horticulture : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Company, 1938)

Southwestern horticulture : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Company, 1944)

Special and import prices for ... - Elliott, J. Wilkinson (Firm) (J. Wilkinson Elliott, 1922)

Special bargain : wholesale trade list, no. 3 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Forest Nursery Co. Inc, 1932)

Special list for quick shipment : wholesale price list, spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1947)

Special new 1931 catalog : prices slashed on high grade nursery stock : fruit trees, evergreens, shade and ornamental trees, shrubs, vines, berries, etc. at the lowest prices in years - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Celery City Nurseries, 1931)

Special papers - Ohio Academy of Science. (The Academy, 1904)

Special papers - Ohio Academy of Science. (The Academy, 1903)

Special papers - Ohio Academy of Science. (The Academy, 1899)

Special papers - Ohio Academy of Science. (The Academy, 1909)