The CALI website will be unavailable beginning Saturday April 4, 2026 at 8:00 AM ET continuing through no later than 8:00 AM ET on Monday April 6, 2026

We are going to make necessary and critical updates to our systems during this timeframe. While we anticipate using only a portion of the time, members should be prepared for the site being offline for the full 2 days. During this maintenance window www.cali.org and other sites including Classcaster, Lawbooks, and our authoring systems will be unavailable.

Nathan Preuss

Associate Professor and Reference Librarian University of Tennessee College of Law

Professor Preuss joined the Law Library faculty in 2007. Some of his duties include providing reference services, teaching legal research, and providing research assistance to law faculty.

His prior experience in libraries includes reference and circulation services at the University of Wyoming’s College of Law library and reference service at American University’s law library. Prof. Preuss’s scholarly interests focus of practical research guides and tutorials, as well as legal research instruction.

CALI Lessons

This table shows Lessons and podcasts by this author. It includes Lesson title, CALI Topics for the Lesson, the date the Lesson was published on the CALI website, the date the Lesson was last updated, and run/usage totals for the past 30 and 120 days.

Note: usage information for podcasts is not available here and is marked as N/A.

Lesson Title	CALI Topic(s)	Published in	Latest update	Runs Past 30 Days	Runs Past 120 Days
Tennessee Legal Research: Primary Resources	1L - First Year Lesson Topics Legal Research Legal Research by State	2012	March 17, 2017	N/A	74