Carta enviada por la gerencia de la Sociedad Química y Minera de Chile a la Embajada de Chile en Filipinas, relativo a envió de material de divulgación sobre el uso del salitre
Appraisal, destruction and scheduling
Accruals
System of arrangement
Conditions of access and use area
Conditions governing access
Conditions governing reproduction
Language of material
Spanish
Script of material
Latin
Language and script notes
Physical characteristics and technical requirements