Thistle Collection Analysis Tool

ThistleCAT assists in analyzing Preston Library's collection by providing data based on various paramaters including copyright date, total checkouts, last checkout date, and state and national holdings.

Collection visualizations »      Foreign language module»      Literature module»

About this Tool

Please note that for performance reasons, data is not displayed in real time:

  • Total circulation history covers 1991 to present.
  • Last checkout date covers 2003 to 2015.
  • Holdings data is current as of Jan 4, 2016.
The source code for ThistleCAT is available on GitHub.


Miscellaneous Views


Barcode List Analysis

Upload a file of scanned barcodes to analyze them.



Query Builder

Call Number starts with...

Copyright Date

Total Checkouts

Last Checkout Date

Select Language...

VIVA Protected Status



Percentage of Class to Weed

Quick Item Lookup


Get data for an individual item, including:

  • Total checkouts
  • Last checkout date (2003 or later)
  • Possible duplicates
  • Holdings in Virginia and U.S. libraries



Alternate Editions Lookup

New!!! View similar and alternate editions for items by LC class.