John is correct. Vertical lines indicate the most recent revisions.  

Adam Schiff 
University of Washington Libraries 

From: Program for Cooperative Cataloging <[log in to unmask]> on behalf of Hostage, John <[log in to unmask]>
Sent: Friday, March 27, 2020 7:37:32 AM
To: [log in to unmask] <[log in to unmask]>
Subject: Re: Lines in SHM

I donít see any lines when I access the SHM through Catalogerís Desktop.  However, there are a couple of vertical lines in the free PDF version of H 373 online.  In the past those lines have been used to indicate a section that has been revised in the latest version of a text.



John Hostage

Senior Continuing Resources Cataloger

Harvard Library--Information and Technical Services

Langdell Hall 194

Harvard Law School Library

Cambridge, MA 02138

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From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of Beck Schaefer
Sent: Friday, March 27, 2020 10:12
To: [log in to unmask]
Subject: [PCCLIST] Lines in SHM


What do the vertical lines in the margins beside text in the Subject Headings Manuals mean? 


The specific instruction I'm looking at is about adding a parenthetical qualifier after an abbreviation in a 4XX field (H373).




Beck Schaefer 


Cataloguing Assistant

Osgoode Hall Law School Library