authors
- Cassels, Alan
- Keyserlingk, Robert H
- Martel, Gordon
- Hunter, William
- Unger, Richard
- Bumsted, JM
- Carroll, FM
- Foner, Philip S
- Krausse, Helmut
- Scott, HM
- Mugridge, Ian
- Tittler, Robert
- Smith, Peter S
- Cuff, Robert
- Prete, Roy
- Havens, Thomas RH
- Ruiz, Ramón Eduardo
- Jaenen, Cornelius J