Pardaman Singh, Ethnological Epitome of the Hindustanees of the Pacific Coast
Booklet titled "Ethnological Epitome of the Hindustanees of the Pacific Coast" by Dr. Pardaman Singh, published in 1922 by the the Pacific Coast Khalsa Diwan Society in Stockton, California. The purpose of the booklet, Singh mentions in the opening, is to prove that "Hindustanees at present residing in California and other Pacific Coast states belong to the Aryan race.
Bahi Jodh Singh, "The Message of the Sikh Faith"
An undated booklet titled "The Message of the Sikh Faith" written by Bahi Jodh Singh, Professor of Divinity at Khalsa College, Amritsar, edited by Teja Singh, a member of the Ghadar party. The booklet was published by the Pacific Coast Khalsa Diwan in Stockton, California.