Art Society of Kitchener & Waterloo : historical material, 1931-1945 (U135 F5)

• CA ON00362 U129-4
• Série

Parte de Robert Langen fonds

Canadian University Service Overseas : correspondence, 1962

• CA ON00362 U129-2
• Série

Parte de Robert Langen fonds

Cultural Affairs Committee : minutes, 1969

• CA ON00362 U129-6
• Série

Parte de Robert Langen fonds

Report on the Waterloo area museum resources

• CA ON00362 U129-5
• Série
• 1974-11-13

Parte de Robert Langen fonds

Waterloo Lutheran University Fine Arts Department : reports, summer projects, 1968, 1971, 1973

• CA ON00362 U129-3
• Série

Parte de Robert Langen fonds

World University Service of Canada: correspondence, minutes, reports, Treasure Van, 1958-1966

• CA ON00362 U129-1
• Série

Parte de Robert Langen fonds