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waybacktimes.com
Pridham, Robin (25 June 2017). "Morgan Family Estate". The Wayback Times. Pridham's Auction House. Archived from the original on 18 August 2019. Retrieved 27 September 2022.
Pridham, Robin (25 June 2017). "Morgan Family Estate". The Wayback Times. Pridham's Auction House. Archived from the original on 18 August 2019. Retrieved 27 September 2022.
Mahan, Clarence (24 December 2009). "The Morgan-Wood Medal". Iris Encyclopedia. The American Iris Society. Archived from the original on 20 October 2021. Retrieved 27 September 2022.