Notes on cynipid wasps,
with descriptions of new North American species.
Weld, L. Hart. (1922). Notes on cynipid wasps: with descriptions of new North American species. Washington.
Weld, Lewis Hart, 1875-. Notes On Cynipid Wasps: With Descriptions of New North American Species. Washington, 1922.
Warning: These citations may not always be complete (especially for serials).