The books are very old, so the scan is not perfect, and black-and white. Still I am sure the teachers will find them useful. Maybe someone has these or other books by H.D.Howe (he has them about 60) and will share them. Link Download http://nitroflare.com/view/29713143A50691C/ http://nitroflare.com/view/009FBE108969434/ http://nitroflare.com/view/EFF94F54CB89B05/ http://nitroflare.com/view/87EFDFA57BC8BBD/https://nitroflare.com/folder/949760/L00VuZ2xpc2g=
