| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Successful Toastmaster: A Treasure Chest of Introductions, Epigrams, Humor, and Quotations | 978-O-O6-O3529O-5 (O-O6-O3529O-6) | 1966 |
C.P. · H. C. · H. P. · H. v. C. · H. V. Prochnow · H Victor · Herbert P. · Herbert Prochnow · Herbert V. Prochnow · Herbert Victor Prochnow · V.C. · V.P. · VICTOR C