Mah Jong Historical Documents 
A Brief History of Mah Jong
Timeline History of Mah Jong in the United States
Stewart Culin (1858-1929)
1893 - Chinese Games with Dice and Dominoes, by Stewart Culin
1924 - The Game of Ma-Jong, by Stewart Culin
Sir William Henry Wilkinson (1858-1930)
The Chinese Origin of Playing Cards, By W.H. Wilkinson