The Natural and Human History of Baja California. From Manuscripts by Jesuit MissionariesHomer (Editor) Aschmann · First published 1966Open the Tome
An evaluation of the terrain of the Fort Yuma Indian Reservation in terms of aboriginal and more recent Indian land useHomer Aschmann · First published 1961Open the Tome
The central desert of Baja California; demography and ecologyHomer Aschmann · First published 1959Open the Tome
Environment and ecology in the "Northern Tonto" claim areaHomer Aschmann · First published 1900Open the Tome
Terrain and ecological conditions in the Western Apache rangeHomer Aschmann · First published 1900Open the Tome