Plants of Coahuila, Eastern Chihuahua, and adjoining Zacatecas and Durango - Johnston, Ivan Murray 1898-1960 ([editor no identificado], 1944)
Reprinted without change of paging from Journal of the Arnold Arboretum, Vol. XXIV (1943)--Reprinted without change of paging from Journal of the Arnold Arboretum, Vol. XXV (1944)--3 volúmenes bibliográficos en 1 volumen físico