History of leather work and workers, in particular those of Hawai'i, California, and Oregon in the 1900's who might have worked with or familiar with our father, Manuel Perreira Freitas, III (best know as just "Manuel") of Makawao, Maui, Hawai'i. Included but not limited to MacPherson Leather, Jedlicka's, Hamleys, Severe Bros, and Manuel's Saddle Shop, Art Hugenburger, Jim Davis, Jerry Franklin, F.O. Baird