Coba jelasin Lihat pula dari Halton Arp dong

Utama: Quasars, Redshifts and Controversies (ISBN 0-521-36314-4)

Kosmologi: Non-standard cosmology, Intrinsic redshift, Redshift quantization, Le Sage's theory of gravitation, Big Bang

Lain-lain: Helen B. Warner Prize for Astronomy

J. Kanipe, D. Webb The Arp Atlas of Peculiar Galaxies, A Chronicle and Observer's Guide, Willmann-Bell Inc. (2006) ISBN 978-0-943396-76-7