books

Books about Christoferus:

booksChristoferus or Tom Kyd's Revenge by Robin Chapman (Mar 11, 1993)

booksChristoferus by Robin Chapman (1994)

booksChristoferus or Tom Kyd's Reve by Robin Chapman (Dec 31, 1994)

wiki

Wiki information Christoferus:

Helmut Christoferus Calabrese
Man, Person

Helmut Christoferus Calabrese is a German-born composer who immigrated to the U.S. in 1962. He trained at the Philadelphia College of Performing Arts and at New York University and is one of the founders of the music publishers Calabrese Brothers...

Christoferus or Tom Kyd's Revenge
Book Edition, Cataloged instance