General Secretariat: correspondence (1961-early 1962); correspondence with board members: Charles E. Odegaard, Ronald Syme, Silvio Zavala, Felice Battaglia, Jules Marouzeau, Hans R. Hahnloser, R.N. Dandekar, Kazimir Kumaniecki
General Secretariat: correspondence with members of the Bureau (1964): Charles E. Odegaard, Ronald Syme, Silvio Zavala, Hans R. Hahnloser, Tetsuro Yamamoto, Kazimir Kumaniecki, C.C. Berg, Jean d'Ormesson; general correspondence
General Secretariat: correspondence with the members of the Bureau (1969): Ronald Syme, Silvio Zavala, Hans R. Hahnloser, C.C. Berg, Jean d'Ormesson, Jaroslav Prusek, Rensselaer W. Lee, Ali Akbar Siassi
General Secretariat: correspondence with the members of the Bureau (1970): Ronald Syme, Silvio Zavala, Hans R. Hahnloser, Jean d'Ormesson, Jaroslav Prusek, Ferdinand N'Sougou Agblemagnon
Partial year-end report (1984): correspondence with member organisations on the use of subsidies paid by CIPSH and their use for publications and the organisation of meetings (CIPL, FIEC, UISAE, CIHA, IAHR, FILLM, UIEOA, SIM, UISPP)
Year-end report documents (1985-1989): correspondence with member organisations on the use of subsidies paid by ICPHS and their use for publications and the organisation of meetings