not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Report_(IA_acc8675.1921.001.umich.edu).pdf...
not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Report_(IA_acc8675.1922.001.umich.edu).pdf...