The Japanese released the prisoners held in the jail, one of whom, Pushkar Bakshi, became their principal collaborator.
After this period he became one of 57 principal collaborators on the 1933 Esperanto Encyclopædia.
He was Carl Sagan's principal artistic collaborator for more than twenty years on many projects from 1972 through 1996.
While the Mongols often raided other areas of Rus, they tended to respect the lands controlled by their principal collaborator.
He remains one of Mr. Wilson's principal theatrical collaborators.
The name may have been created to distinguish him from his principal collaborator, also called Maso, who came to be known as Masolino ("little/delicate Tom").
Brilliant but temporary, and Poshekhonov was lucky not to have been shot with his two principal collaborators.
In Naples his principal collaborator for the figures was Gargiulo.
Ms. Birkenhead and George C. Wolfe, the author of the book and her principal collaborator, have already taken the script through its third draft.
The principal collaborators on Ha-Me'assef were: