Gunnar Widforss (English Wikipedia)

Edwards, Robert W. (2012). Jennie V. Cannon: The Untold History of the Carmel and Berkeley Art Colonies, Vol. 1. Oakland, Calif.: East Bay Heritage Project. pp. 259, 666–665. ISBN 9781467545679. An online facsimile of the entire text of Vol. 1 is posted on the Traditional Fine Arts Organization website ("Jennie V. Cannon: The Untold History of the Carmel and Berkeley Art Colonies, vol. One, East Bay Heritage Project, Oakland, 2012; by Robert W. Edwards". Archived from the original on 2016-04-29. Retrieved 2016-06-07.).

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Edwards, Robert W. (2012). Jennie V. Cannon: The Untold History of the Carmel and Berkeley Art Colonies, Vol. 1. Oakland, Calif.: East Bay Heritage Project. pp. 259, 666–665. ISBN 9781467545679. An online facsimile of the entire text of Vol. 1 is posted on the Traditional Fine Arts Organization website ("Jennie V. Cannon: The Untold History of the Carmel and Berkeley Art Colonies, vol. One, East Bay Heritage Project, Oakland, 2012; by Robert W. Edwards". Archived from the original on 2016-04-29. Retrieved 2016-06-07.).