We have books going back to 1910. Some publications may be used.

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1915-1923 Parts Manual by Douglas for 4hp 1915-23 4 hp 4-hp. 65 pages.

Vehicle Manufacturer:  Douglas Bikes
Partial List of Models Covered:  4 4
Years:  1915 - 1923
ID:  18_DO15_23P
Price: $30.95

Description: 1915-1923 Parts Manual by Douglas for 4hp 1915-23 4 hp 4-hp. 65 pages.

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