Pengarang : Snell, Richard S -

Pengarang : David M. Cottrell - Christensen, Theodore E - Richard E. Baker -

Pengarang : Richardson, Richard E. - Barton, Roger E. - Brauer, John C. -

Pengarang : Kennedy, Richard J. - Varriale, Philip - Alfenito, Joseph C. -

Pengarang : H.Dwight Cavanagh {et.al} - Norman S. Jaffe - Charles D. Kelman - Manus C. Kraff - Richard P. Kratz - Larry G. Leiske -

Pengarang : Barraquer, Joaquin - Troutman, Richard C. - Rutllan, Joaquin -

Pengarang : Shackelford, Richard - Zuidema, George D. -

Pengarang : Behrman, Richard E. - Edited : Richard E. Behrman -

Pengarang : Robinson, Richard - Stoot, Robin -

Pengarang : Mould, Richard F. -