TY - BOOK T1 - Business documents : their origins, sources and uses in historical research A1 - Armstrong, John A2 - Jones, Stephanie LA - English PP - London PB - Mansell YR - 1987 UL - https://colectivo.uloyola.es/Record/L27102 OP - 251 SN - 0720118468 KW - Documentos comerciales KW - Empresas : Archivos ER -