Frequency distributions of
call numbers for LCSHs
•Even within an LCSH, there is location ‘drift’
•One primary LC #, but many others too
•LCSH
‘differential equations partial’
•QA377 (main #)
•QC20.7
•QA3
•TA418
•TA347
•QA1
•QC157
•QA11.2