From the Jewish Encyclopedia of 1904, which has been put on line: the article on Amulets is by Ludwig Blau.
From the YIVO Encyclopedia of Jews in Eastern Europe: Amulets and Talismans (by Avriel Bar-Levav). It includes pictures of several amulets on paper. In the same encyclopedia, see also the articles on Magic, Ba'ale Shem, and Demons.
Article on the finding of a Jewish amulet from the 3rd century CE in a child's grave in the Austrian city of Halbturn.
Article by Dan Levene on Aramaic incantation bowls. He discusses one of the bowls that uses the get formula to expel demons. Here's a link to a photograph of the bowl - http://www.edshare.soton.ac.uk/5331/.
Virtual Magic Bowl Archive at the University of Southampton (created by Dan Levene).
Traditions of Magic in Late Antiquity online exhibit at the University of Michigan.
A printing plate for an amulet from Slovakia (1832). The amulet is against Lilith, to protect the mother and new-born child. From the website of the Center for Jewish Art at the Hebrew University of Jerusalem.
A short blog post on one of the Babylonian magical bowls held by the University of Pennsylvania museum (from Nippur - published by Montgomery). It's a very nice photograph of the bowl.
Speaking of Montgomery, his Aramaic Incantation Texts (1913) is also now available from Google Books as a PDF download - very handy. The bowl mentioned in the blog post above is #2 in Montgomery's book.