Durham County bird report
By: compiled by B.Unwin ...[et al.]. 1973, New series no.4, Report no.37.
Contributors: Unwin, B.; University of Durham. Zoology Department.
Publisher: University of Durham, Department of Zoology
Published: 1974
Place of publication: (Durham) (Science Laboratories, South Rd, Durham)
Language: eng
Number of pages: 66
Subjects: Birds -- England -- Durham County -- Periodicals.