Mayflies -- Central America. / https://id.loc.gov/authorities/subjects/sh85082422 https://id.loc.gov/authorities/subjects/sh85021871-781 : Edmunds, George F.
1976
1
3
Mayflies -- Congresses. / https://id.loc.gov/authorities/subjects/sh85082422 https://id.loc.gov/authorities/subjects/sh99001533 : International Conference on Ephemeroptera
Mayflies -- North America. / https://id.loc.gov/authorities/subjects/sh85082422 https://id.loc.gov/authorities/subjects/sh85092455-781 : Edmunds, George F.
1976
1
7
Mayflies -- South America. / https://id.loc.gov/authorities/subjects/sh85082422 https://id.loc.gov/authorities/subjects/sh85125524-781