I. The genera Pedilanthus and Cubanthus, and other American Euphorbiaceae, by Charles Frederick Millspaugh. II. Two new stonecrops from Guatemala, by Raymond Hamet.

v.2:no.9(1913)

Contribution [I]-III to the coastal and plain flora of Yucatan, by Charles Frederick Millspaugh.

v.1:no.4(1898)

New species of Xanthium and Solidago. By Charles Frederick Millspaugh and Earl E. Sherff.

v.4:no.1(1918)

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

v.4:no.2(1919)

Plantae Insulae Ananasensis : a catalogue of plants collected on the Isle of Pines, Cuba, by Don José Blain / by Charles Frederick Millspaugh.

v.1:no.6(1900)

Praenunciae bahamenses-- I. Contributions to a flora of the Bahamian archipelago. By Charles Frederick Millspaugh.

v.2:no.3(1906)

Plantae Yucatanae. (Regionis Antillanae) Plants of the insular, coastal and plain regions of the peninsula of Yucatan, Mexico. [By Charles Frederick Millspaugh.].

v.3:no.1(1903)

Flora of West Virginia, by Charles Frederick Millspaugh and Lawrence William Nuttall.

v.1:no.2(1896)

Contributions to North American Euphorbiaceae-- v: 1. "Euphorbia adenoptera" in North America. 2. Chamaesyceae novae. 3. Notulae hypericifoliaearum. By Charles Frederick Millspaugh.

v.2:no.10(1914)

Contribution [I]-III to the coastal and plain flora of Yucatan, by Charles Frederick Millspaugh.

v.1:no.1(1895)

Orchids of Peru / Charles Schweinfurth.

v.30:no.2(1959)

Orchids of Peru / Charles Schweinfurth.

v.30:no.3(1960)

Orchids of Peru / Charles Schweinfurth.

v.30:no.1(1958)

Orchids of Peru / Charles Schweinfurth.

v.30:no.4(1961)