TY  - RPRT
TI  - Historical research: examining documentary sources.
AU  - J F Sweeney
PY  - 2005
DO  - 10.7748/nr2005.01.12.3.61.c5949
UR  - https://pubmed.ncbi.nlm.nih.gov/15793978/
ID  - 15793978
ER  -