Groups: knowledge spreadsheets for symbolic biocomputing. - Michael Travers; Suzanne M. Paley; Jeff Shrager; Timothy A. Holland; Peter D. Karp (Database J. Biol. Databases Curation, 2013)

The MetaCyc database of metabolic pathways and enzymes and the BioCyc collection of Pathway/Genome Databases. - Ron Caspi; Tomer Altman; Richard Billington; Kate Dreher; Hartmut Foerster; Carol A. Fulcher; Timothy A. Holland; Ingrid M. Keseler; Anamika Kothari; Aya Kubo; Markus Krummenacker; Mario Latendresse; et al. (Nucleic Acids Res., 2014)

PortEco: a resource for exploring bacterial biology through high-throughput data and analysis tools. - James C. Hu; Gavin Sherlock; Deborah A. Siegele; Suzanne A. Aleksander; Catherine A. Ball; Janos Demeter; Sushanth Gouni; Timothy A. Holland; Peter D. Karp; John E. Lewis; Nathan M. Liles; Brenley K. McIntosh; et al. (Nucleic Acids Res., 2014)