A. B. · A. Barker · A. T. Barker · T. B.
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Letters of H.P. Blavatsky to A.P. Sinnett | Hardcover | 978-0-911500-23-3 (0-911500-23-5) | 1973 | |
| The Mahatma Letters to A. P. Sinnett | " | 978-0-911500-20-2 (0-911500-20-0) | 1997 | Compiler |
| The Mahatma Letters to A. P. Sinnett | Paperback | 978-0-911500-21-9 (0-911500-21-9) | 1997 | " |