Christopher Pub House · Hancock House Pub Ltd · Johnson Books · Peter Lang Publishing · Transaction Publishers
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Big Foot-Prints: A Scientific Inquiry into the Reality of Sasquatch | 978-1-55566-099-4 | 1992 |
| Bigfoot Sasquatch Evidence: The Anthropologist Speaks Out | 978-0-88839-447-7 | 1999 |
| Climatic Races and Descent Groups | 978-0-8158-0390-4 | 1980 |
| Geographical Development of European Languages | 978-0-8204-0800-2 | 1988 |
| The Process of Human Evolution | 978-0-87073-347-5 | 1984 |