The Annals and magazine of natural history; zoology, botany, and geology being a continuation of the Annals combined with Loudon and Charlesworth's Magazine of Natural History.

3rd ser. v. 4 (1859)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.

v. 6 (1833)

Proceedings of the Entomological Society of Washington.

v. 3 1893-1895

The Annals and magazine of natural history; zoology, botany, and geology being a continuation of the Annals combined with Loudon and Charlesworth's Magazine of Natural History.

3rd ser. v. 1 (1858)

The Annals and magazine of natural history; zoology, botany, and geology being a continuation of the Annals combined with Loudon and Charlesworth's Magazine of Natural History.

2nd ser. v. 9 (1852)

Proceedings of the Biological Society of Washington.

v. 15 (1902)

The Annals and magazine of natural history; zoology, botany, and geology being a continuation of the Annals combined with Loudon and Charlesworth's Magazine of Natural History.

2nd ser. v. 20 (1857)

Publications of Field Museum of Natural History.

Fieldiana. Botany, v. 13, part 2

The American species of Passifloraceae, by Ellsworth P. Killip.

v.19:pt.2(1938)

The North American species of Rumex, by K. H. Rechinger, jr.

v.17:no.1(1937)

Publications of Field Museum of Natural History.

Fieldiana. Botany series v. 11, index

Revision of the North American species of Xanthium, by Charles Frederick Millspaugh and Earl Edward Sherff.

v.4:no.2(1919)

The American species of Passifloraceae, by Ellsworth P. Killip.

v.19:pt.1(1938)

Proceedings of the Biological Society of Washington.

v. 7 (1892)

Proceedings of the Entomological Society of Washington.

v. 17 1915