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

Apuntes de botánica médica - Durañona, Lucio. (A.G. Buffarini, 1904)

Arboles Frutales y del bosque parras y arbustos palmeras rosas escojidas - Roeding, George Christian, 1868 -1928 (George C. Roeding, 1905)

Arbor Day - Furnas, Robert W. (Robert Wilkinson), 1824 -1905 (State Journal Co, 1888)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1948)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1950)

Arboretum et fruticetum britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (Henry G. Bohn, 1854)

Arboretum News - California Arboretum Foundation. (California Arboretum Foundation, 1999)

Arboretum Segrezianum : énumération des arbres et arbrisseaux cultivés à Segrez (Seine-et-Oise) comprenant leur synonymie et leur origine avec l̓indication d̓ouvrages dans lesquels ils se trouvent figurés - Lavallée, Alphonse, 1836 -1884 (J.-B. Baillière, 1877)

Arboriculture - International Society of Arboriculture. (International Society of Arboriculture, 1902)

Arbres d'ornement - Canada. Agriculture Canada (Agriculture Canada, 1980)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1889)

Archiv für die Botanik - Römer, J. J. (Johann Jacob), 1763 -1819 (In der Schäferischen Buchhandlung, 1805)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1938)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1930)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1933)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1925)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1934)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1939)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1927)

Armstrong Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1936)