used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1904.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1922.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1920.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1912.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1914.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1911.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1921.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1909.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1915.001.umich.edu).pdf...
used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Annual_report_(IA_acs8530.1913.001.umich.edu).pdf...