The Contributors' ColumnDavid Starr Jordan, W. W. Drew, Earl Davis, E. P. L., Carl I. Shoemaker, H. Perlee Bouton, and ElizabethApril 1, 1926
The Contributors' ColumnDavid Starr Jordan, Frederick Winn, Mary Edith Tuthill, Jean Lamont, James M. Ludlow, and E. A. HungerfordAugust 1, 1924