The Lower East Side Librarian Library of Congress Subject Headings of the Week for Week 8, March 2, 2011 are:
(A,C) 150 Exiled dancers [May Subd Geog] [sp2010008937]
550 BT Dancers
550 BT Exiles
(C) 150 Lithium ion batteries [May Subd Geog] [sp2011000687]
450 UF Cells, Lithium ion
450 UF Electrochemical cells, Lithium ion
450 UF Li‑ion batteries
450 UF LIBs (Lithium ion batteries)
450 UF Lithium ion cells
450 UF Lithium ion electrochemical cells
550 BT Storage batteries
Oh yeah, I can see how there would be tons more material on this subject than on butch and femme or fat acceptance.
(C) 150 Payment in lieu of taxes [May Subd Geog] [sp2011000523]
680 Here are entered works on payments made to compensate local governments for some or all of the tax revenue lost because of the nature of the ownership or use of a particular piece of real property.
450 UF PILOT (Finance)
450 UF PILT (Finance)
550 BT Real property tax
Yup, I can see how the library serving Congress would need this heading.
(C) 150 Slut (The English word) [sp2011000598]
550 BT English language—Etymology
Thank you, University of Colorado at Denver catalogers! Zines do occasionally address the word slut.