T. W. Arnold (1919). ""An Indian Picture of Muhammad and His Companions"". The Burlington Magazine for Connoisseurs, Vol. 34, No. 195. hlm. 249–252. Diakses tanggal 2007-05-01.Parameter |month= yang tidak diketahui akan diabaikan (bantuan)
Office of the Curator (2003-05-08). "Courtroom Friezes: North and South Walls"(PDF). Information Sheet, Supreme Court of the United States. Diarsipkan dari versi asli(pdf) tanggal 2008-05-09. Diakses tanggal 2007-07-08.
web.archive.org
Office of the Curator (2003-05-08). "Courtroom Friezes: North and South Walls"(PDF). Information Sheet, Supreme Court of the United States. Diarsipkan dari versi asli(pdf) tanggal 2008-05-09. Diakses tanggal 2007-07-08.