To find information to answer the research question, "Why isn't the Gospel of Thomas included in the Bible"
(1) Search the web to get keywords besides Bible, such as "canon" or "non-canonical" (2) Create a search using Boolean operators: ("gospel of thomas") AND (("non-canonical") OR (canon)) Paste this query exactly as is in Summon
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3) Use the limiters on the left side. Under CONTENT TYPE, exclude "newspaper article", "dissertation/thesis" and "book review". Under SUBJECT TERMS click More to find an appropriate subject heading, such as "canon"