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.

David E. Matchen, Jr.

Head of Circulation/Reference Librarian University of Baltimore School of Law Baltimore, MD

David E. Matchen, Jr. (J.D., M.L.I.S.), is the Head of Circulation at the University of Baltimore Law Library, where he also serves as part of the library’s team of reference librarians. Prior to joining UB in 2008, David practiced law in Illinois with a concentration in admiralty and transportation matters. When not troubleshooting or unearthing arcana, David is an instructor for the newly-endowed Fannie Angelos Program for Academic Excellence, and also preps students for the Law School Admissions Test (LSAT) and the Medical College Admission Test (MCAT). David is a past board member of the Law Library Association of Maryland, and presently serves as the Vice-President/President-Elect of the University’s Library Faculty Senate.

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
Maryland Legal Research: Secondary Resources	1L - First Year Lesson Topics Legal Research Legal Research by State	2014	February 22, 2019	N/A	3