Showing 159 results
Archival description
International European Conferences on Colorado Beetle Control
International European Conferences on Colorado Beetle Control
International Technical Congress of World Engineering Conference - Cairo, March 1949
International Technical Congress of World Engineering Conference - Cairo, March 1949
International Liaison Committee of Organization for Peace : Conferences
International Liaison Committee of Organization for Peace : Conferences
2nd International Congress of Cooperatibe Economy - Lourdes, October 1948
2nd International Congress of Cooperatibe Economy - Lourdes, October 1948
5th International Conference of Directors of Mine-Safety Research - September 1948
5th International Conference of Directors of Mine-Safety Research - September 1948