Andrew and Agnes McKerrow Howitt and their descendents [!]George H. Weaver · First published 1937Open the Tome
Atlas and Principles of Bacteriology, Volume 1Karl Bernhard Lehmann, Rudolf Otto Neumann, George Howitt Weaver · First published 2010Open the Tome
![Cover of Andrew and Agnes McKerrow Howitt and their descendents [!]](https://covers.openlibrary.org/b/id/8323471-M.jpg)
