Research Paper Guide Due Date: Subject Matter: Any topic on New York State History to 1865. The topic must be approved by me in advance. Paper Length: Minimum of 10 pages. Typed, double-spaced. Sources: A minimum of four scholarly sources. At least two sources must be non-Internet based. Students are not permitted to use textbooks or encyclopedias as sources. Required Format: University of Chicago format. APA and MLA are not permitted for historical research. If you have any questions, please ask me concerning appropriate formatting.