C V Drysdale, Diagrams of International Vital Statistics with description in English and Esperanto, together with a Table of Correlation Coefficients between Birth and Death-Rates, &c. (London: William Bell)

Date:

1912

Reference:

PP/EPR/G.20

Part of:

Eileen Palmer: collection of material on birth control, including papers of Edith How-Martyn and Olive Johnson