1. Go to http://www.wsulibs.wsu.edu/holland/holhp.htm the Holland Terrell Libraries homepage
2. Click the Article Indexes /E-Journals tab.
3. Click E-Journals Search and A-Z list.
4. Type in the word evolution in the title search.

5. For the Mulder 2000 and the Brase 2006 articles scroll to Evolution and Human Behavior.
6. This will bring up a new window.
7. For Mulder 2000 click Volume 21
8. Download the second article called Optimizing Offspring: the quantity-quality tradeoff in agopastoral Kisigis by Monique Borgerhoff Mulder 24:391-410.

9. For the Brase 2006 click on Volume 27 then on Issue 2 for the same journal Evolution and Human Behavior
10. Download the fifth article called Cues of parental investment as a factor of attractiveness by Gary L. Brase 27(2):145-157