Shepard's Citations

The citations were printed on gummed, perforated sheets, which could be divided and pasted onto pages of case law.

[2] Under the leadership of William Guthrie Packard, the company endured the Great Depression and continued to grow.

[2] In March 1999, LexisNexis released an online version, named Shepard's Citation Service.

[2] The American textbook Fundamentals of Legal Research formerly included a lengthy illustrated explanation of how to use Shepard's in print, but in the 10th edition released in 2015, that section was replaced with a brief explanation that such "detail is unnecessary for the many researchers who have access to one or more online citators".

[10] It was followed by a recommendation that researchers without access to an online citator should telephone or email LexisNexis directly for assistance.

[1] Either the text link or the icon, when clicked or activated, will bring up a full Shepard's report for the case.

[11] In turn, SCI inspired several other scientists to research the possibility of developing superior citation indexes.

Examples are the eigenvalue-based method developed by Gabriel Pinski and Francis Narin in 1976 and the PageRank link analysis algorithm using the similar idea created by Sergei Brin and Larry Page, which became the heart of the Google search engine.