Source History 2823: https://www.mediastorehouse.com/mary-evans-prints-online/new-images-grenville-collins-collection/lunch-races-louis-wain-postcard-18074576.html - dailymeower - September 1, 2022; 17:422823: https://www.mediastorehouse.com/dmcs-search.html?search=louis+wain - Anonymous - September 1, 2022; 17:42
