Encyclopedia Dubuque
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INTERNATIONAL BROTHERHOOD OF BOOKBINDERS NO. 116
INTERNATIONAL BROTHERHOOD OF BOOKBINDERS NO. 116. The International Brotherhood of Bookbinders (IBB) was a labor union representing bookbinding workers in the United States and Canada.
The union was founded on May 5, 1892, as a split from the International Typographical Union. In 1898, it received a charter from the American Federation of Labor, and in 1919 it absorbed the small International Brotherhood of Tip Printers. By 1926, the union had 14,000 members.
The union was affiliated to the AFL–CIO from 1955, and by 1957, its membership had grown to 58,344.[2] On September 4, 1972, it merged with the Lithographers' and Photoengravers' International Union, to form the Graphic Arts International Union. (1)
The 1937 Dubuque Consurvey Directory listed 7th and Main.
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Source:
Wikipedia, International Brotherhood of Bookbinders Online: https://en.wikipedia.org/wiki/International_Brotherhood_of_Bookbinders