1. Durer

2. Source: Data from: University of California, San Diego

3. Source: Data from: University of California, San Diego

4. Source: Data from: University of California, San Diego

5. Source: Data from: University of California, San Diego

6. Source: Data from: University of California, San Diego

7. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility.

8. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility.

9. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility.

10. Source: Data from: University of California, San Diego

11. Source: Catalogued by: Digital Library Federation Academic Image Cooperative

12. Source: Catalogued by: Digital Library Federation Academic Image Cooperative

13. Source: Data from: University of California, San Diego

14. Source: Data from: University of California, San Diego

15. Source: Data from: University of California, San Diego

16. Source: Data from: University of California, San Diego

17. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility.

18. Source: Data from: University of California, San Diego

19. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility.

20. Source: Data from: University of California, San Diego

21. Source: Data from: University of California, San Diego

22. Source: Data from: University of California, San Diego

23. Source: Catalogued by: Digital Library Federation Academic Image Cooperative

24. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility.

25. Source: Data from: University of California, San Diego

26. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility.

27. Source: Data from: University of California, San Diego