I Wayan Resen
Bellamy's Intellectual flaws and Inconsistencies in looking backward
1986
 UI - Tesis (Membership)
Bellamy's intellectual flaws and inconsistencies in looking backward
 UI - Tesis (Membership)
Heni Hemawati Wiradimaja
Looking backward: kritik dan gagasan Edward Bellamy tentang masyarakat industri abad ke-19 di Amerika
1995
 UI - Skripsi (Membership)
Wharton, Edith
A backward glance
D. Appleton-Century, 1934
 Buku Teks
Bellamy, John
Digital telephony / John Bellamy
Wiley , 1991
 Buku Teks