Feeding experiments with algaeMarion E. McDowell, Gilbert A. Leveille · First published 1963Open the Tome
Friends old and newHelen M Robinson, John B. P. McDowell, Marion Monroe, A. Sterl Artley · First published 1963Open the Tome
Fun with our friendsHelen M Robinson, Marion Monroe, A. Sterl Artley, William A. Jenkins, Charlotte S. Huck, John B. P. McDowell · First published 1962Open the Tome
More Fun with Our FriendsHelen M Robinson, John B. P. McDowell, A. Sterl Artley, Marion Monroe · First published 1962Open the Tome
