https://prpw.com.au/project_category/monotremes/
Monotremes Archives - Peter Rowland Photographer & Writer
monotremesarchivespeterrowlandphotographer
https://wellcomecollection.org/works/arb3v78s
The genito-urinary system in monotremes and marsupials / by William Colin MacKenzie ; assisted by...
The genito-urinary system in monotremes and marsupials / by William Colin MacKenzie ; assisted by William J. Owen.
urinary systemmonotremesmarsupialswilliamcolin
https://www.veldshop.nl/nl/handbook-of-the-mammals-of-the-world-vol-5-monotre.html
Handbook of the Mammals of the World, Vol. 5: Monotremes and Marsupial - Veldshop
Handbook of the Mammals of the World, Vol. 5: Cloacadieren en Buideldieren
the mammalshandbookworldvolmonotremes