Why a Lisp-based command language? - John R. Levine (ACM SIGPLAN Notices, 1980)

An Overview of the Yale Gem System. - John R. Levine (Softw. Pract. Exp., 1982)

Internet für Anfänger - gegen den täglichen Frust im Internet. - John R. Levine; Carol Baroudi (IWT, 1994)

qmail - managing unix-based mail systems. - John R. Levine (O'Reilly, 2004)

Experiences with Greylisting. - John R. Levine (CEAS, 2005)

flex and bison - Unix text processing tools. - John R. Levine (O'Reilly, 2009)

Vouch By Reference. - Paul E. Hoffman; John R. Levine; Arvel Hathcock (RFC, 2009)

DomainKeys Identified Mail (DKIM) Author Domain Signing Practices (ADSP). - Eric Allman; Jim Fenton; Mark Delany; John R. Levine (RFC, 2009)

DNS Blacklists and Whitelists. - John R. Levine (RFC, 2010)

An Extensible Format for Email Feedback Reports. - Yakov Shafranovich; John R. Levine; Murray S. Kucherawy (RFC, 2010)

The Remote Framebuffer Protocol. - Tristan Richardson; John R. Levine (RFC, 2011)

The 'application/zlib' and 'application/gzip' Media Types. - John R. Levine (RFC, 2012)

Mailing Lists and Non-ASCII Addresses. - John R. Levine; Randall Gellens (RFC, 2012)

Variants in Second-Level Names Registered in Top-Level Domains. - John R. Levine; Paul E. Hoffman (RFC, 2013)

Top-Level Domains That Are Already Dotless. - John R. Levine; Paul E. Hoffman (RFC, 2013)

A "Null MX" No Service Resource Record for Domains That Accept No Mail. - John R. Levine; Mark Delany (RFC, 2015)

Assigning Digital Object Identifiers to RFCs. - John R. Levine (RFC, 2015)

Signaling One-Click Functionality for List Email Headers. - John R. Levine; Tobias Herkula (RFC, 2017)

A New Cryptographic Signature Method for DomainKeys Identified Mail (DKIM). - John R. Levine (RFC, 2018)

Email Authentication for Internationalized Mail. - John R. Levine (RFC, 2019)