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User guide to create a Permalink for Law Review Citations and how to cite the Permalink.

Author of This Guide

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Keiko Okuhara
William S. Richardson School of Law Library

The University of Hawaii at Manoa

2525 Dole St.

Honolulu, HI 96822
Subjects: Japan - Law


My special gratitude to Claire DeMarco at Harvard Law School Library for showing me the ropes and all authors of Libguides, especially, Nick Szydlowski at Boston College for leading libguide productions,

Account Problems

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If you need assistance related to Perma accounts  please contact Keiko Okuhara at keikooku at Sustainable Law Review Citations was developed by the Harvard Library Innovation Lab. It is a service that archives web content and generates a URL which refers to that content at the time of citing.  It is a caching solution for authors and journal editors in order to preserve cited materials.  Upon direction from a paper author or editor,Perma will retrieve and save the contents of a webpage and return a permanent link.  Every link you create will become permanent automatically, unless you delete it within a 24 hour period. For more details, please check out

Creating a Perma URL

Go to and paste the URL that you want to archive.

Open the dropdown menu to select the appropriate affiliation for you and click on "Create Perma Link" blue button.


Bluebook Citations for Perma URLs

You will find specific reference to web archive in Rule 18.2.1 (d) of the 20th edition of the Bluebook (Summer 2015). Rule 18.2.1 (d) states: "...append the archive URL to the full citation in brackets:" and a given example is:

Letter from Rose M. Oswald Poels, President/CEO, Wis. Bankers Ass'n, to Elizabeth M. Murphy, Sec'y, SEC (Sept. 17, 2013), [].

Get a Perma Account for Individual Users

Anyone can create a free, individual account. To create an account or to learn more about accounts, please sign up at

If you need more than ten links per month you should work with a journal or a library that uses To learn more about how works, please review the user guide at

Caveat: Please use FireFox Browser

Make Sustainable Citations

Conventionally scholastic works provide sources for facts to make a reference to previous discussions in the field.  The citation connects the reader to author's references and the indicated sources in footnotes. The endeavor stemmed from the premise to make legal scholarship more sustainable and how libraries could offer a solution. The link, a URL, to citations points to a  resource hosted by the third party. This results in vulnerability: future accessibility is threatened by link rot or reference rot. Link rot occurs when the URL no longer provides any content. Reference rot happens when a link still works but the information referenced by the citation is no longer present, or has changed.

Preservation limits

Anyone can create an account, and each account lets you preserve up to 10 records per month for free. also offers unlimited free accounts to academic journals and faculty members affiliated with any registrar library.