Congress of arts and science, Universal exposition, St. Louis, 1904; ed. by Howard J. Rogers.

v. VI

Congress of arts and science, Universal exposition, St. Louis, 1904; ed. by Howard J. Rogers.

v. IV

Congress of arts and science, Universal exposition, St. Louis, 1904; ed. by Howard J. Rogers.

v.I

Congress of arts and science, Universal exposition, St. Louis, 1904; ed. by Howard J. Rogers.

v. VII

Congress of arts and science, Universal exposition, St. Louis, 1904; ed. by Howard J. Rogers.

v. VIII

Life, letters, and works of Louis Agassiz, by Jules Marcou.

2

Louis Agassiz; his life and correspondence, ed. by Elizabeth Cary Agassiz.

2

Flora of Guatemala / Paul C. Standley and Louis O. Williams.

v.24:pt.8:no.3(1967)

Tropical American plants, II / Louis O. Williams.

v.29:no.6(1961)

Flora of Guatemala / Paul C. Standley and Louis O. Williams.

v.24:pt.9:no.3-4(1973)