Lectures on trade cards as source material for the history of science
- Made:
- 1968-1969
- maker:
- Henry Reginald Calvert
[Lectures on trade cards as source material for the history of science] / H.R. Calvert. 1968-1969. The lectures were given by Dr Calvert to the 12th International Congress of the History of Science 1968 and the British Society for the History of Science, Jan 1969. 13 leaves ms./ts.]
