"New York and London: the Century co.، ١٩٢٤".
٨- Eells، H.: Writing a thesis.
"Yellow Springs، ohio: the Antioch Press. ١٩٤٧".
٩- Good، O.V.: How to Do Research in Evidence.
"Baltimore: Warwich and York، ١٩٢٩".
١٠- Johnson، A.: the historian and hostorical evidence.
"charles scribner's sons، ١٩٢٨".
١١- keynes j.n.،: the scope of method and politcal economy. "London: Macmillan and co.، ١٩٣٠".
١٢- leicey، n.w.: Graphic charts.
"philadelphaia: lefax، ١٩٢١".
١٣- Minto، J.: Reference Books.
"London: the library association، ١٩٢٩".
١٤- Morize، A.: Problems and Methods or literary history "Boston: Ginn and co.، ١٩٢٢".
١٥- Morrow. P.R.: and mishoff. w.o.،: a Guide to the-sis Writing.
"Athens، Ga: University of Georgia Bookstore. ١٩٣٤".
١٦- Mudgett. B.D.: Statisical Tables and Graphs.
"Boston: Houghton miffin Co.، ١٩٣٠".
١٧- Newsom، N.w.، and Walk. G.E.: form and standard for thesis Writing.
"International textbook co، ١٩٥٠".
١٨- Reeder، W.G.: How to write a thsis
"Public-school Publishing co.، ١٩٣٠".