Udgivelser med A. Michael Powell

Cover for A. Michael Powell · Cacti of Texas, a field guide (Bog) (2008)
Bog
Cacti of Texas, a field guide
A. Michael Powell
Cover for A. Michael Powell · Trees & Shrubs of the Trans-Pecos and Adjacent Areas (Paperback Bog) (1998)
Paperback Bog
2. udgave
Trees & Shrubs of the Trans-Peco...
A. Michael Powell