Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1917)

A laboratory manual of high school botany - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The University publishing co, 1900)

Lachesis lapponica, or, A tour in Lapland - Smith, James Edward, 1759 -1828 (White and Cochrane, 1811)

Lachesis lapponica; or, A tour in Lapland, now first published from the original manuscript journal of ... Linnaeus - Smith, James Edward, 1759 -1828 (White and Cochrane, 1811)

Larva collecting and breeding; a handbook to the larvae of the British macro-lepidoptera and their food plants; both in nature and in confinement, with authorities - St. John, John Seymour. (W. Wesley, and to be had of the author, 1890)

Larva collecting and breeding : a handbook to the larvae of the British Macro-Lepidoptera and their food plants : both in nature and in confinement, with authorities - St. John, John Seymour. (W. Wesley, 1890)

Larves de coléoptères - Perris, Édouard. (Deyrolle, 1877)

A lecture on the geography of plants - Barton, John, 1789 -1852 (Printed for Harvey and Darton, 1827)

Lectures on surgery delivered in St. Bartholomew's Hospital - Lawrence, William, Sir, 1783 -1867 (John Churchill, 1863)

Lehrbuch der Pharmakognosie des Pflanzenreiches : Naturgeschichte der wichtigeren Arzneistoffe vegetabilischen Ursprunges - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (R. Gaertner, 1867)

The Lepidoptera of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, their preparatory states, habits, and localities - Barrett, Charles Golding, 1836 -1904 (L. Reeve, 1895)

The lepidopterist's calendar - Merrin, Joseph. (H. Marsden, 1875)

The lepidopterist's guide : for the use of the young collector - Knaggs, H. Guard (Henry Guard), 1832 -1908 (J. Van Voorst, 1871)

The lepidopterist's guide, for the use of the young collector of butterflies and moths - Knaggs, H. Guard (Henry Guard), 1832 -1908 (Gurney and Jackson, 1901)

Lessons in botany - Atkinson, George Francis, 1854 -1918 (H. Holt and company, 1900)

Lessons in botany - Atkinson, George Francis, 1854 -1918 (Holt, 1900)

Letters on the elements of botany : addressed to a lady - Rousseau, Jean-Jacques, 1712 -1778 (Printed for B. White and Son, 1791)

Letters on the elements of botany. Addressed to a lady - Rousseau, Jean-Jacques, 1712 -1778 (B. White, 1787)

Letters on the elements of botany, addressed to a lady - Rousseau, Jean-Jacques, 1712 -1778 (B. and J. White, 1796)

Letters to a young naturalist on the study of nature and natural theology - Drummond, James L. (James Lawson), 1783 -1853 (Longman, Rees, Orme, Brown, and Green, 1831)

The lichen-flora of Great Britain, Ireland, and the Channel Islands - Leighton, William Allport, 1805 -1889 (1879)

Lichen flora of Lincolnshire - Seaward, M. R. D. (1980)

The lichen flora of the Santa Cruz Peninsula, California - Herre, Albert W. (Albert William), 1868 -1962 (Washington academy of sciences, 1910)