"Hebrewbooks.org was founded in order to preserve old American Hebrew books that are out of print and/or circulation. Many American Rabbis wrote seforim (Hebrew books) in the early part of the 20th century. They have long since passed away and in many instances so has their holy work. Currently our mission has expanded to include all Torah Seforim ever printed. At Hebrewbooks.org you will be able to view and print the entire Sefer online"