The "advanced search" function of Google Scholar allows you to search by author. American University students, faculty and staff should use the AU Version of Google Scholar because it links to full text of the articles. The AU Version of Google Scholar can be accessed from the library's homepage by clicking on the "Start Your Research" tab, scrolling down and clicking on Google Scholar. Off campus users will be prompted to log in with the last name the first 7 digits on their AU ID card.
Once in Google Scholar, click on "Advanced Scholar Search"
In the "return articles by" search box type "SL Udall" (using the quotation marks) You will retrieve almost 100 citations for articles written by Stewart Udall.
In a separate search, type "MK Udall" you will retrieve about 40 articles written by Morris Udall.