Practical american encyclopedia

A universal reference library in the arts, sciences and literature

With nearly one thousand illustrations, half-tone engravings, etchings, drawings, plans and maps. Editor in chief: Bernhart Paul Holst, teacher and superintendent of schools, Iowa; institute lecturer and instructor, author of educational literature, editor of "The teachers' and pupils' cyclopedia," "Current reference," and "Practical home and school methods of study and instruction." Associate editor: Ruric Neval Roark, teacher and educational writer, author of pedagogical works; president Kentucky State Normal School, Richmond, Ky.