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By: Wren, R. C. (Richard Cranfield),Edition:Publication info: London, Potter & Clarke, [1900-1950?]Volume:Series:Holding Institution: University of Toronto - Gerstein Science Information CentreSubjects:BHL Collections:
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By: Wren, R. C. (Richard Cranfield), - Holmes, E. M. (Edward Morell),Edition: 2nd ed. / with additions by E. M. Holmes.Publication info: London, Potter & Clarke, [1915]Volume:Series:Holding Institution: University of California LibrariesSubjects:BHL Collections: