FYI: about 190k of these pictures are public domain respectively without known copyright protection. Link for searching these pictures: http://digitalcollectio

FYI: about 190k of these pictures are public domain respectively without known copyright protection. Link for searching these pictures: http://digitalcollections.nypl.org/search/index?utf8=%E2%9C%93&keywords=&filters%5Brights%5D=pd http://digitalcollections.nypl.org/search/index?utf8=%E2%9C%...