Here is the 1934 DWM book mentioned in the prewar Shooter’s Bible:

The table on the 6.5 mm cartridges discussed here. Load numbers 11, 12 are the .25 Remington and .25-35 Winchester loads. 12 – 18 are the loads offered for the 6.5x53R Mannlicher and 6.5x54 Mannlicher-Schoenauer. 19, 20 are the 6.5x54 K Mauser loads.