An essential reference of activist and trade union biographies for students of the US labor and radical movements. This directory was put together by Solon De Leon, the heretical and estranged Communist son of Socialist Labor Party leader Daniel De Leon, and for much of the 1920s director of labor research for the Rand School. A source I use nearly every week.

The American Labor Who’s Who edited by Solon De Leon with Irma C. Haysenn and Grace Poole. Hanford Press Publishers, New York. 1925.

Contents: Introduction, Abbreviations, American Labor Who’s Who, Other Countries, Index by Organization and Occupation, Geographical Index, Index for Other Countries. 394 pages.

PDF of original book: https://archive.org/download/americanlaborwho1925unse/americanlaborwho1925unse.pdf