Books by Joseph Andorfer Ewan
Biographical dictionary of Roc
Biographical dictionary of Rocky Mountain naturalists
Introduction to the facsimile reprint of Frederick Pursh's Flora Americae Septentrionalis, 1814 (Historiae naturalis classica tomus civ)
How many botany books did Thom
How many botany books did Thomas Jefferson own?
William Lobb, plant hunter for Veitch and messenger of the big tree
John Banister and his natural history of Virginia, 1678-1692
John Banister and his natural history of Virginia, 1678-1692 [by] Joseph and Nesta Ewan
A short history of botany in the United States
Synopsis of the South American
Synopsis of the South American species of Vismia (Guttiferae)
Rocky Mountain naturalists
A revision of Macrocarpaea
A revision of Macrocarpaea
The perennial southwestern Dat
The perennial southwestern Datura and the validity of Matthew's hypothesis in plant geography