THIS manual is intended for American public health officials who, in the author's words, have forgotten most of their arithmetic—not to mention algebra. A good deal of space is consequently devoted to ...

Economically beneficial entrepreneurship is declining in America. This decline is not caused by a change in individual-level desire to be an entrepreneur or by fewer people trying to make ...

THE first edition of this book was reviewed in these columns in April 1920 (Vol. 105, p. 131). Since then its usefulness as an elementary but careful treatment of the subject has led to its being ...