Language has changed over the centuries, and it is often difficult to speak like - and think like - our 17th century ancestors.
Words like college, race, gender, nation have changed in the recent century.
When looking at Primary Source, use the country name used during that time period.
Most primary source databases will have "thematic" filters to get you started. Before keyword searching, start there. See what curated documents come up. From those documents, see what terminology is being used by contemporaries.
Begin with basic searches and do not be too complicated. DO NOT USE TOO MANY TERMS AT ONCE
Be sure to use period-specific language.
Do NOT search a bunch of terms. This will give more, not less, false its.
PRIMARY SOURCES IN THE CATALOG
Use these as subject terms
example:
"personal narratives" AND egypt