For electronic resources (streaming videos) check out
Academic Video Online (Alexander Street Press) Database
To search for additional books on public speaking, use the link to the Catalog (box to the left) and enter the phrase "public speaking." Then use the "Search by" drop-down box and select "Subject." Then click, "Go!"
Mastering Public Speaking by 
Essentials of Public Speaking by 
The Art of Public Speaking by 
The Complete Guide to Public Speaking by