These sources have research and/or writing tips.
Student's Guide to History, Ref. D 16.3 .B4 2006. Older eds in Main and Fine Arts. Also has info on reference sources.
Barzun and Graff, Modern Researcher, Ref. D 13 .B334 1992. Older eds in Main and Fine Arts.
Mann, Oxford Guide to Library Research Main Z 710 .M23 2015