31. | | | |
32. | | Autor: Martin, Thomas | |
33. | | Autor: Alexanien, C.S. | |
34. | | Autor: Pastouriaux, L. | |
35. | | Autor: Rothé, E. | |
36. | | Autor: Gerbella, Luigi | |
37. | | Autor: Stratton, Julius Adams, 1901-1994 | |
38. | | Autor: Roters, Herbert C. | |
39. | | Autor: Whitehead, John B. | |
40. | | Autor: Watson, W. | |