These are a couple of good web sources for profiles.
These books have profiles — sometimes very detailed profiles — of both past and present U.S. Supreme Court Justices.
To find full-length biographies of Supreme Court Justices, use this form to search Ignacio, the USF libraries' catalog.
Use a "Subject" search, and enter the justice's name, last name first, as in this example:
An effective and efficient way to find articles about justices (as opposed to articles that merely mention justices) is to use an article-finding tool like Legal Periodicals Full Text or LegalTrac. For more on finding articles, see the Zief Library's Finding Articles research guide.
To find articles about a justice, select the Advanced Search option, enter the justice's name in the text box, and select "Subject" from the adjacent pull-down menu. If using both first and last name, put the last name first, as in these examples:
To find articles about a justice, use the Advanced Search option, enter the justice's name in the top search text box, and select "SU Subject Terms" from the adjacent pull-down menu. If using both first and last name, put the last name first, as in these examples:
For articles written before 1908, search Index to Legal Periodicals in print (K 33 .I54 Law Reference). Look for the justice's name under the subject heading "Biography: individual."
HeinOnline's History of Supreme Court Nominations library is the best place to start when you want to see a justice's nomination hearing transcripts (and related information). The government's free FDSys source is a good alternative for transcripts of more recent hearings.