Subject
- Labor union members--New York (State)1
- Labor unions -- New York (State)1
- Labor unions -- New York (State) -- Albany.1
- Labor unions -- New York (State) -- Fulton county.1
- Labor unions -- New York (State) -- Glens Falls.1
- Labor unions -- New York (State) -- Hudson.1
- Labor unions -- New York (State) -- Montgomery County.1
- Labor unions -- New York (State) -- Schenectady2
- Labor unions -- New York (State) -- Schenectady -- History -- 20th century.1
- Labor unions -- New York (State) -- Schenectady.4
- Labor unions -- New York (State) -- Schoharie County.1
- Labor unions -- Social aspects -- New York (State)2
- Labor unions -- Social aspects -- New York (State).1
- Labor unions and communism--New York (State)1
- Labor unions--History--19th century1
- Labor unions--History--20th century1
- Labor unions--New York (State)2
- Labor unions--New York (State)--Albany1
- Labor unions--Recognition--New York (State)1
- Laboratory notebooks1