Grolier encyclopediaSilas Edgar Farquhar, Alva curtis Wilgus, Lawrence J. Burpee · First published 1944Open the Tome
The Progress of scienceHarold Horton Sheldon, Silas Edgar Farquhar · First published 1941Open the Tome
The World book encyclopedia ... modern, pictorial, comprehensiveSilas Edgar Farquhar · First published 1940Open the Tome
The World book encyclopediaSilas Edgar Farquhar · First published 1936 · Latest edition 1938Open the Tome
The new human interest librarySilas Edgar Farquhar · First published 1928 · Latest edition 1933Open the Tome
