Matching (Note: No Answer Used More Than Once; Some Not

Matching (Note: No answer used more than once; some not used)
-A type of source in historical research often available for use if the best sources are not available.

A) Primary
B) Internet
C) Internal analysis
D) Secondary
E) Artifact
F) Trivia, anecdotes, jokes
G) Social media
H) Case study approach
I) Tertiary
J) External analysis