Isabelo de los Reyes papers [microform]. - De Los Reyes, Isabelo, 1864-1938 (Quezon City University of the Philippines Library, 1972)
Labor leader. Father of Philippine socialism
Reproduction of: Scrapbooks containing newspapers clippings, diaries, personal correspondence, accounts and financial records; general correspondence 1897-1933; receipts and invoices; invitations, greeting cards; family album and other miscellaneous papers on family matters.
In English, Ilokano, Tagalog, and predominantly Spanish.