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Helen Sawyer Hogg fonds
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International Astronomical Union: Symposium #80, 1977
International Astronomical Union: Symposium #80, 1977
International Astronomical Union: Symposium #85, 1979
International Astronomical Union: Symposium #85, 1979
International Astronomical Union: Symposium #126 - Paper
International Astronomical Union: Symposium #126 - Paper
International Astronomical Union: General Assembly, Hamburg
International Astronomical Union: General Assembly, Hamburg
International Astronomical Union: National Committee for Canada
International Astronomical Union: National Committee for Canada
National Research Council: Associate Committee on Astronomy
National Research Council: Associate Committee on Astronomy
National Research Council: Associate Committee on Astronomy
National Research Council: Associate Committee on Astronomy
National Research Council: Associate Committee on Astronomy
National Research Council: Associate Committee on Astronomy
National Research Council: Associate Committee on Astronomy
National Research Council: Associate Committee on Astronomy
National Science Foundation: Correspondence
National Science Foundation: Correspondence
Royal Astronomical Society of Canada: General Council - Minutes and Correspondence
Royal Astronomical Society of Canada: General Council - Minutes and Correspondence
Royal Astronomical Society of Canada: Journal Submission
Royal Astronomical Society of Canada: Journal Submission
Royal Astronomical Society of Canada: Annual Meetings
Royal Astronomical Society of Canada: Annual Meetings
Royal Astronomical Society of Canada: Council Meeting and corres.
Royal Astronomical Society of Canada: Council Meeting and corres.
Royal Astronomical Society of Canada: Historical Committee
Royal Astronomical Society of Canada: Historical Committee
Royal Astronomical Society of Canada: Congres Astronomique
Royal Astronomical Society of Canada: Congres Astronomique
Royal Astronomical Society of Canada: Honorary Member
Royal Astronomical Society of Canada: Honorary Member
Royal Astronomical Society of Canada: Toronto Centre draft article and report
Royal Astronomical Society of Canada: Toronto Centre draft article and report
Royal Society of Canada: Council minutes and corres.
Royal Society of Canada: Council minutes and corres.
Royal Society of Canada: Program Committee (1)
Royal Society of Canada: Program Committee (1)
Royal Society of Canada: Council - Section II Committee
Royal Society of Canada: Council - Section II Committee
Royal Society of Canada: Interdisciplinary Division
Royal Society of Canada: Interdisciplinary Division
Royal Society of Canada: Nominations to Fellowship
Royal Society of Canada: Nominations to Fellowship
Royal Society of Canada: Henry Marshall Tory Medal
Royal Society of Canada: Henry Marshall Tory Medal
Royal Society of Canada: Hannah Medal
Royal Society of Canada: Hannah Medal
Royal Astronomical Society of Canada: programs
Royal Astronomical Society of Canada: programs
American Association of Variable Star Observers
American Association of Variable Star Observers
Canadian Women's Press Club
Canadian Women's Press Club
Bibliographies and lists of publications
Bibliographies and lists of publications
General articles, addresses, contributions to encyclopedias
General articles, addresses, contributions to encyclopedias
"A Child's Primer of the Skys"
"A Child's Primer of the Skys"
"The Light and the Flame"
"The Light and the Flame"
Handerbuch der Physik, "Galactic Clusters"
Handerbuch der Physik, "Galactic Clusters"
Handerbuch der Physik, Publishers instructions
Handerbuch der Physik, Publishers instructions
Review - "The Discovery of Neptune"
Review - "The Discovery of Neptune"
"The Historical Importance of Astronomy"
"The Historical Importance of Astronomy"
"A Canadian Astronomer Looks Backward and Forward"
"A Canadian Astronomer Looks Backward and Forward"
Shapley Festschrift (1)
Shapley Festschrift (1)
"Astronomy and Colour"
"Astronomy and Colour"
Richmond Hill Naturalists
Richmond Hill Naturalists
Script - Ont. Educational Communications Authority
Script - Ont. Educational Communications Authority
"Lunar Craters Names for Canadians"
"Lunar Craters Names for Canadians"
"Patterns and Problems of Growth"
"Patterns and Problems of Growth"
General History of Astronomy
General History of Astronomy
General History of Astronomy, "Variable Stars"
General History of Astronomy, "Variable Stars"
"Looking Back at the Observers Handbook"
"Looking Back at the Observers Handbook"
Queen's Quarterly, "The Sounds of Distance Space"
Queen's Quarterly, "The Sounds of Distance Space"
Guide to Amateur Astronomy
Guide to Amateur Astronomy
OISE Talk - Conference on Women of Achievement
OISE Talk - Conference on Women of Achievement
"Memories of the Plasket Era..."
"Memories of the Plasket Era..."
Results 51 to 100 of 658