Priestley, John Boynton, 1894-1984
The Good Companions
 Buku Teks
A companion to early modern philosophy : balckwell companions to philosophy
Mary Louise Gill; Pierre Pellegrin
BlackWell Publishing, 2005
 Buku Teks
A companion to early modern philosophy : balckwell companions to philosophy
edited by Steven Nadler
Blackwell, 2008
 Buku Teks
Fuad Jabali
Study of the companions of the prophet geographical distribution and political alignments
Institute of Islamic Studies McGill University, 1999
 Buku Teks
Eastman, Max, 1883-1969
Great companions critical memoirs of some famous friends
Farrar Straus and Cudahy, 1942
 Buku Teks