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Mathematics Research Guide: Books & e-Books

Reading Library of Congress Call Numbers

Reading LC Call Numbers

  • describes the subject arearead in alphabetical order
  • 66 -  describes the topic:read as a whole number
  • B634- describes the author's last name or title of work: read in alphabetical order, then the number as a decimal
  • 1999  - date of publication:read in chronological order


To learn how to download ebooks onto your computer or tablet see our research guide on the topic HERE.

E-books are books that have been downloaded into the library catalog for increased access.  They contain all of the content of a regular book.  E-books contain many useful features that make them easier to use than print books.  Such as:

  • You can access them whenever you want, whether or not the library is open.
  • While your session may expire with an e-book, you can always renew it.
  • Many e-books have a table of contents which allows you to jump to whatever chapter you are interested.
  • E-books have a search bar which allows you to search a word, phrase, or a few words. The search will give you every time the word has been used in the book and will take you directly to those pages.


Search Library Resources - Primo VE

Finding Books at PHSC


The Library's Books are shelved according to the Library of Congress' classification system.  

Want to browse the shelves?

The Library of Congress classification for Chemistry is Subclass Q section D (QD)


HA 1-473            Statistics

HB 1-3840          Economic Theory & Demography

HC 10-1085        Economic History & Conditions

HD 28-9999        Industries, Land Use, & Labor

HE 1-9900          Transportation & Communications

HF 1-6182           Commerce

HG 1-9999          Finance

HJ 9-9940           Public Finance


QA1-939             Mathematics

QA1-43               General

QA47-59              Tables

QA71-90               Instruments and machines

QA75-76.95           Calculating machines

QA75.5-76.95         Electronic computers. Computer science

QA76.75-76.765     Computer software

QA101-(145)           Elementary mathematics. Arithmetic

QA150-272.5          Algebra

QA273-280             Probabilities. Mathematical statistics

QA299.6-433          Analysis

QA440-699             Geometry. Trigonometry. Topology

QA801-939             Analytic mechanics