Bilateral Copyright Treaty between Spain and El Salvador, Madrid (1884)
Source: Archivo del Ministerio de Asuntos Exteriores, AMAE-siglo XIX, Tratados, 0347-01
Citation: Bilateral Copyright Treaty between Spain and El Salvador, Madrid (1884), Primary Sources on Copyright (1450-1900), eds L. Bently & M. Kretschmer, www.copyrighthistory.org