The Principles of Leather ManufactureH. R. ProcterThe Principles of Leather ManufactureGOOpenStoriesOriginal author: H. R. ProcterPublishedHistoryNonfiction0 stars42 chapters175,996 words
A Text-book of TanningH. R. ProcterA Text-book of TanningGOOpenStoriesOriginal author: H. R. ProcterPublishedNonfictionH. R. Procter0 stars27 chapters82,637 words