Contributions to the flora of South America: Studies on Andean Compositae, II. Studies in South American plants, III.

v.27:no.2(1951)

Studies in the palm genus Syagrus Mart. [by] Sidney F. Glassman.

v.31:no.17(1968)

Studies in the palm genus Syagrus Mart. II / S. F. Glassman.

v.32:no.8(1969)

Studies in American plants / Dorothy N. Gibson.

v.31:no.15(1968)

Preliminary taxonomic studies in the palm genus Attalea H.B.K. / S. F. Glassman.

v.38:no.5(1977)

Studies of American plants. by Paul C. Standley.

v.8:no.5(1931)

Studies of American plants. by Paul C. Standley.

v.8:no.3(1930)

Studies in American plants, III / Dorothy N. Gibson.

v.34:no.6(1972)

Austral Hepaticae XVIII : studies toward a revision of Telaranea subg. Neolepidozia (Lepidoziaceae) / John J. Engel, Rudolf M. Schuster.

n.s. no.14(1983)

Studies in American plants, VI / Dorothy L. Nash.

v.36:no.9(1974)

Meteorite studies -- by Oliver Cummings Farrington, Ph.D., Curator, Dept. of Geology.

v.1:no.11(1902)

Studies on skeleton formation in reptiles. Olivier Rieppel.

n.s. no.68(1992)

Studies on the neotropical species of Stenus described by Bernhauer (Coleoptera, Staphylinidae) : seventy-eighth contribution to the knowledge of Steninae / Volker Puthz.

v.65:no.5(1974)

Studies on Spiroboloid millipeds. IX. a second Typhlobolellid genus from Mexico / [by] Richard L. Hoffman.

v.62:no.3(1973)