When cataloging a  book  by  "Ba'al Tevu'ot Shor", should one have as a reference also: 'Tevu'ot Shor, Ba'al"? or should this be  done only when  the person is usually known by the name of his work?
 
The  answer hinges  on whether "Ba'al Tevu'ot Shor"  is  the heading or only  a reference.  If  the  author's  real  name  is
unknown and  he  is being entered under a phrase per rule 22.11D,  then a reference from the name of the work is required.
 
If, however, the  phrase  is  not  the heading  but  only  a reference, another reference from the name of the work would be a
variant of a variant and should not be made.

When  the  rule  says "Refer, when appropriate, from  the title of  the other work ..."  it  means that  this  is appropriate when the title of another work is involved--since the rule also refers to entering persons under words  or phrases that  don't necessarily contain titles of other works.  It doesn't mean  anything more complicated, e.g., that  it's appropriate to  refer
from the title of  the other work if  the person is usually known by the name of his work.
 
P.S. Note that words other than  the first in  the title  of  the work are not capitalized--cf. "Author of Early impressions."

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According to Paul Maher,  the rule does say  to make both the ref from "Author of" and the  ref  from the title of what he's the
author of.   [This  rule, however,  has probably been ignored many times, and that it probably will be ignored again in  the future.]