Borsa, I. (1980). Feasibility study on the creation of an internationally financed and managed microfilming assistance fund to facilitated the solution of problems involved in the international transfer of archives and in obtaining access to sources of national history located in foreign archives. UNESCO.

Borsa, Iván. Feasibility Study on the Creation of an Internationally Financed and Managed Microfilming Assistance Fund to Facilitated the Solution of Problems Involved in the International Transfer of Archives and in Obtaining Access to Sources of National History Located in Foreign Archives. Paris: UNESCO, 1980.

Borsa, Iván. Feasibility Study on the Creation of an Internationally Financed and Managed Microfilming Assistance Fund to Facilitated the Solution of Problems Involved in the International Transfer of Archives and in Obtaining Access to Sources of National History Located in Foreign Archives. UNESCO, 1980.