| Call number | Item |
| Q | Science (Go to start of category) |
| QB-QE | Physical Sciences (Go to start of category) |
| QD | Chemistry (Go to start of category) |
| QD415 .A1 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) BMC Chemical Biology (2001-2012) (full serial archives) |
| QD415 .A1 H36 | BMB Reports (issues online 2008-) (partial serial archives) |
| QD453 .M36 | Physical Pharmacy: Physical Chemical Principles in Pharmaceutical Science (Philadelphia: Lea and Febiger, 1960), by Alfred N. Martin (page images at HathiTrust) |
| QD455.3 .M3 N38 | Mathematical Challenges from Theoretical/Computational Chemistry (1995), by National Research Council Committee on Mathematical Challenges from Computational Chemistry (HTML with commentary at NAP) |
| QD457 .D3 | Laboratory Manual of Physical Chemistry (New York: J. Wiley and Sons; London: Chapman and Hall, c1922), by Albert Watson Davison and Henry S. van Klooster (page images at HathiTrust) |
| QD461 .B23 1980 | Molecular Electronic Structures: An Introduction (1980), by Carl Johan Ballhausen and Harry B. Gray (PDF with commentary at Caltech) |
| QD461 .B24 | Molecular Orbital Theory: An Introductory Lecture Note and Reprint Volume (1965), by Carl Johan Ballhausen and Harry B. Gray (PDF with commentary at Caltech) |
| QD461 .F88 | The Study of Chemical Composition: An Account of Its Method and Historical Development, With Illustrative Quotations (Cambridge, UK: At the University Press, 1904), by Ida Freund |
| QD461 .G72 1965 | Electrons and Chemical Bonding (1965), by Harry B. Gray (PDF with commentary at Caltech) |
| QD466 .W4 1945 | Discovery of the Elements (fifth edition, enlarged and revised; Easton, PA: Journal of Chemical Education, c1945), by Mary Elvira Weeks, contrib. by F. B. Dains (page images at HathiTrust) |
| QD466 .W4 1956 | Discovery of the Elements (sixth edition, enlarged and revised; Easton, PA: Journal Of Chemical Education, c1956), by Mary Elvira Weeks, ed. by Henry Marshall Leicester, contrib. by F. B. Dains (multiple formats at archive.org) |
| QD471 .H22 | Clathrate Inclusion Compounds (New York: Reinhold Pub. Corp.' London: Chapman and Hall, c1962), by Mary Martinette Hagan (page images at HathiTrust) |
| QD471 .L43 | The Molecular Volumes of Liquid Chemical Compounds, From the Point of View of Kopp (London et al.: Longmans, Green and Co., 1915), by Gervaise Le Bas |
| QD474 .L36 | Ligand Substitution Processes (c1966), by Cooper H. Langford and Harry B. Gray (PDF with commentary at Caltech) |
| QD475 .B3 | Introduction to Ligand Field Theory (New York et al.: McGraw-Hill Book Co. , c1962), by Carl Johan Ballhausen (page images at HathiTrust) |
| QD475 .D3 | Theoretical Inorganic Chemistry (New York: Reinhold Pub. Corp.; London: Chapman and Hall, c1962), by Marion Clyde Day and Joel Selbin (page images at HathiTrust) |
| QD476 .R58 | Notes on Molecular Orbital Calculations (New York: W. A. Benjamin, 1961), by John D. Roberts (PDF at Caltech) |
| QD501 .D366 | Chemical Dynamics (1968), by Joseph B. Dence, Harry B. Gray, and George S. Hammond (PDF with commentary at Caltech) |
| QD505 .N363 | Catalysis Looks to the Future (1992), by National Research Council Board on Chemical Sciences and Technology (page images with commentary at NAP) |
| QD549 .C6 | Colloid Symposium Monograph (partial serial archives) |
| QD553 .N37 1986 | New Horizons in Electrochemical Science and Technology (1986), by National Research Council National Materials Advisory Board (page images with commentary at NAP) |
| QD591 .R6 | Nuclear Magnetic Resonance: Applications to Organic Chemistry (1959), by John D. Roberts (PDF with commentary at Caltech) |
| QD601 .L4 | The Radiochemistry of Rubidium, by G. W. Leddicote (PDF at lanl.gov) |
| QD601 .M63 | The Radiochemistry of the Rare Gases, by Floyd F. Momyer (PDF at lanl.gov) |
| QD601 .O9 | Basic Concepts of Nuclear Chemistry (New York: Reinhold Pub. Corp.; London: Chapman and Hall, c1963), by Ralph T. Overman (page images at HathiTrust) |