St. George Pubns, US · Stationery Office Books
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Geology of the Country Around Harlech | 978-0-11-884367-6 (0-11-884367-2) | 1986 | British Geological Survey |
| Rudolf Steiner: The Man and His Work | 978-0-916786-01-4 (0-916786-01-3) | 1976 | |
M.A. · M. Allen · P. A. · P Allen · P.M. · Paul M. Allen · Paul Marshall Allen · Peter Edward Marshall Allen · Peter M. Allen · Philip M. Allen