-While there are not good estimates of the number of used record stores in
-existence, in 2002, there were 7,198 used book dealers in the United States,
-an increase of 20 percent since 1993. See Book Hunter Press, <citetitle>The Quiet
-Revolution: The Expansion of the Used Book Market</citetitle> (2002), available at
-<ulink url="http://free-culture.cc/notes/">link #19</ulink>. Used records accounted for $260 million in sales in 2002. See
- National
-Association of Recording Merchandisers, <quote>2002 Annual Survey
- Results,</quote>
-available at
+<indexterm>
+ <primary>books</primary>
+ <secondary>resales of</secondary>
+</indexterm>
+While there are not good estimates of the number of used record stores
+in existence, in 2002, there were 7,198 used book dealers in the
+United States, an increase of 20 percent since 1993. See Book Hunter
+Press, <citetitle>The Quiet Revolution: The Expansion of the Used Book
+Market</citetitle> (2002), available at
+<ulink url="http://free-culture.cc/notes/">link #19</ulink>. Used
+records accounted for $260 million in sales in 2002. See National
+Association of Recording Merchandisers, <quote>2002 Annual Survey
+Results,</quote> available at