Kirk-Othmer Encyclopedia of Chemical Technology: Comprehensive chemical encyclopedia covering all aspects of chemistry and chemical engineering. Good complement to Ullmann's. [Adds/updates articles quarterly]

Ullmann's Encyclopedia of Industrial Chemistry: Comprehensive chemical encyclopedia covering all aspects of chemistry and chemical engineering. Good complement to Kirk-Othmer. [Adds/updates articles quarterly]

Encyclopedia of Life Sciences: Comprehensive life science encyclopedia that covers biochemistry, molecular biology, structural biology, and other topics of interest. [Updates monthly]

Comprehensive Chemometrics: Chemical and Biochemical Data Analysis: Reference work focusing on statistics, experimental methods, analysis of variance, optimization, linear soft-modeling, unsupervised learning, data analysis problems, data processing, regression and classification, and applications. [2nd ed, 2020]

Comprehensive Nanoscience and Nanotechnology: Comprehensive and authoritative coverage of every aspect of modern nanoscience and nanotechnology, including nanomaterials, nanochemistry and nanofabrication, biological nanoscience, spectroscopy and microscopy, and nanoscience applications. [2nd ed, 2019]

Comprehensive Energy Systems: Covers a spectrum of energy topics: fundamentals, materials, production, conversion, and management. [2018]

Encyclopedia of Spectroscopy and Spectrometry: Covers fundamentals, technology and applications of atomic, electronic, high energy, magnetic, mass, vibrational and raman spectroscopy. [3rd ed., 2017]

Handbook of Solid State Chemistry: Articles on the chemistry of solids, nanoparticles, and hybrid materials. Covers: materials and structure of solids, synthesis, characterization, nano and hybrid materials, theoretical description, and functional materials. [2017]

Encyclopedia of Atmospheric Sciences: Articles on atmospheric science and related subjects, including clouds, aerosols and global change. [2015]

Encyclopedia of Applied Electrochemistry: Reference work covering all aspects of applied electrochemistry, including theoretical concepts, instrumentation, and new materials and technologies. [2014]

Encyclopedia of Biological Chemistry: Articles on biochemical topics in bioenergetics; cell architecture/function; lipids, carbohydrates, membranes, and proteins; metabolism, vitamins, and hormones; molecular biology; protein/enzyme structure function and degradation; and signaling. [2013]