International studbook for the scimitar-horned oryx

Gilbert, T. (2022) International studbook for the scimitar-horned oryx Oryx dammah. Seventeenth edition. Current to 31 December 2021.

International studbook for Grevy’s zebra

Langenhorst, T. (2021): International studbook for Grevy’s zebra Equus grevyi 2020, current until 31.12.2020. Marwell Wildlife, UK.

International studbook for Hartmann’s mountain zebra

Langenhorst, T. (2021): International studbook for Hartmann’s mountain zebra Equus zebra hartmannae 2020, current until 31.12.2020. Marwell Wildlife, UK.