Supreme Court of the United States Research Guide: Oral Arguments

The Supreme Court's website has oral argument audio going back to 2010.

The Court's website has transcripts of oral arguments going back to 1968.

Oyez has oral argument audio for a majority of cases going back to 1955. Use this link to search for the case you need and then play the audio within the same window.

Oyez created a platform, Oral Argument 2.0, in which top legal scholars answer questions that were posed by the Justices in previous oral arguments. "Oral Argument 2.0 in no way means to undermine the work of Supreme Court advocates; it aims, instead, to supplement and fortify answers to the most important and challenging queries and to offer additional perspectives."

In this blog post, Zvi Rosen provides information on accessing transcripts of oral arguments from before OT 1955 (i.e. before Oyez coverage).

This microfiche collection has copies of oral argument transcripts going back to 1953.

Coverage starts with the 1990-91 term.