Manggagawa noon at ngayon. - Ecumenical Institute for Labor Education and Research (Philippines) (Manila Ecumenical Institute for Labor Education and Research, 1982)
Fi-8762g, donated by Dr. Ma. Teresa Sicat.
Fi-11064g, donated by Prof. Mamoru Tsuda, M.A.,U.P.,1977.
SWF-00234 donasyon mula sa aklatan ni Dr. Virgilio G. Enriquez, Ama ng Sikolohiyang Pilipino.
Keywords: Labor and laboring classes -- History. -- Philippines; Working class -- History. -- Philippines