H.H. · H-O. · Oscar Hofman
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The Metallurgy of Lead and the Desilverization of Base Bullion | Hardcover | 978-0-260-36085-4 (0-260-36085-6) | 2018 |
| The Metallurgy of Lead and the Desilverization of Base Bullion | Paperback | 978-1-333-79464-4 (1-333-79464-9) | 2018 |