Animal Land on the Air, 1929, Published by Lothrop, Lee, Shepard Co. of Boston ~~~ The author apparently received criticism earlier in his career about his photos. In this volume he reports, "It is happily no longer necessary to take time to refute earlier charges that such pictures are made by using stuffed animals, or by stupefaction, or even... by hypnotism. Their expression is the best answer to all such surmises. But there may still be lovers of animals who are disturbed by the thought that unnatural means, savoring of cruelty, may be employed. Nothing could be farther from the truth. Animals may be ruled by fear... but never can this result in a pleasing picture.... It is impossible to mistreat an animal in any way and secure such pictures as you will see in this book..."