erc:
who: unknown
what: The Analysis of Black Powder and Dynamite
when: 1913
where: https://digital.library.unt.edu/ark:/67531/metadc12847/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://digital.library.unt.edu/ark:/67531/