21. | | Autor: Shaw, Gareth Coautor: ; Williams, Allan | |
22. | | Autor: Woods, Robert H. | |
23. | | Autor: Jackson, Marion Coautor: ; Bruce, David | |
24. | | Autor: Rohan, Josselin de | |
25. | | Autor: Rohan, Josselin de | |
26. | | Autor: Sofield, Trevor H.B. | |
27. | | Autor: Getz, Donald | |
28. | | Autor: Owen, R. Elwyn Coautor: ; Witt, Stephen F Gammon, Susan | |
29. | | Autor: Giltelson, Richard J. Coautor: ; Kerstetter, Deborah L. | |
30. | | Autor: Crompton, John L. Coautor: ; Fakeye, Paul C. Lue, Chi-Chuan | |