Stream Pollution in New York State. A Preliminary Investigation of the Problem From the Standpoint of the Biologist, Made in July and August, 1918Henry Baldwin WardÉpuiséPrévenez-moi
Parasites: Articles Contributed to Wood's Reference Handbook of the Medical Sciences, New Series, 1900-1904.Henry Baldwin WardÉpuiséPrévenez-moi
A Biological Examination of Lake Michigan in the Traverse Bay RegionHenry Baldwin WardÉpuiséPrévenez-moi
