Wiley Current Protocols Online includes the full text of all the separate Current Protocols parts: Immunology, Molecular Biology, Proteomics, Pharmacology, etc.
Full text online of all the Methods in Molecular Biology books, includes molecular protocols from all fields from medicine to plant biology.
Plus access to content from the Nature Protocols and Nature Methods journals as well.
Online protocols developed by the prestigious Cold Spring Harbor Laboratory including those from classic texts like Molecular Cloning: a Laboratory Manual (Maniatis) and other Cold Spring Harbor Press laboratory manuals. Also is a journal of new peer-reviewed protocols.
Thematic, individual books on different topics, edited by leaders in the field, with state-of-art techniques and relevant historical background and theory.