The proceedings of the Omentielva conferences are published in the series Arda Philology at various intervals. See https://www.omentielva.com/ardaphil.htm for more details.
To date, eight volumes have been published.
Volume 1
Petri Tikka: The Finnicization of Quenya
Nils-Lennart Johannesson: Quenya, the Black Speech and the Sonority Scale
Susanne Vejdemo: Tolklangs in the “Real” World
Magnus Åberg: An Analysis of Dwarvish, with an appended Khuzdul glossary
Bertrand Bellet: Vowel Affection in Sindarin and Noldorin
Måns Björkman: The Scripts of Aman
Christopher Gilson: “Namárië” and the Lexicon of Quenya
Volume 2
Benct Philip Jonsson: Reconstruction and ‘Retro-construction’ in Tolkien’s Eldarin Languages
Helge K. Fauskanger: Practical Neo-Quenya
Karolina Agata Kazimierczak: Unfolding Tolkien’s Linguistic Symphony
Måns Björkman: The Feanorian Mode of “The Etymologies”
Beregond, Anders Stenström: Phonotactic Preferences
Volume 3
Helios De Rosario Martínez: A Methodological Study of Elvish Writing Systems
Petri Tikka: God’s Names in Elvish
Mick Ennis: An Elvish Learning Curve: From Cambridge to Whitehaven, Telperion and the Stars . . . Report from The Tolkien Reading Fellowship at Ironville & Codnor Park Primary School, Derbyshire, UK. (With poems by members of the fellowship.)
Helge Fauskanger: Exegesis of Tolkien's Linguistic Material: A Note on Challenges and Ambiguities
Måns Björkman: Quenya Verb Classes
Valeria Barouch: Arvernien, or, On the Winding of Rivers
Melinea, Agnieszka Tańczuk: The Language of Magic in J.R.R. Tolkien’s Works
Volume 4
Arden R. Smith: Editing Tolkien's Alphabets
Georgia Kyte: Mystery and Magic in Distant Lands: The Names of the Ithryn Luin as Clues to Their Role and Importance
Ivan A. Derzhanski: Some Parallels Between Pronouns in J.R.R. Tolkien's and the Real World's Languages
Måns Björkman: Quenya's Participles
Aleksandar Mikić (in absentia): Of orivaine, kamilot, and Their Kindred: Words for Legumes in Tolkien's Invented Languages
Arden R. Smith: Phonetic Symbols in Tolkien's Early Alphabetic Materials
Roman Rausch: Sound Symbolism in Elvish
Helge Fauskanger: The World's Most Evil Syllable
Volume 5
J. ‘Mach’ Wust: The Sindarin Tengwar Modes
Måns Björkman: “On the Points of Her Toes”: Some Notes on the Development of “Nieninque”
Valeria Barouch: Lifehouses, Houselights and Other Encounters
Roman Rausch: Explanation of the Word hobbit
Helge K. Fauskanger: Note on the Cross-compatibility of Quenya Vocabulary from Different Stages
Marianne Larose, Sascha Mücke, Roman Rausch: Haiku
Volume 6
Chris Gilson: The Role of Solosimpilin in the Creation of Qenya
Tsukusu Jinn Itó: The Shaping of Middle-mouth: A Theory of the Representation of Consonantal Phonetic Features in the Feanorian Tengwar
Mariusz Mayburd: Cognitive Constellations between Medieval and Modern: The Emergence of Language as Play in Tolkien‘s Written Wor(l)d
Bertrand Bellet: Months and Seasons in Middle-earth
Volume 7
Alexander Zapryagaev: Poetic Metre and Prosody in Eldarin Languages
Bill Welden: How We Got Sindarin
Roman Rausch: Mapping Out Semantic Spaces in Elvish
Mariusz Mayburd: Dream-Words, Dream-Lore and Languages of Ascent: Tolkien's Qenya and Gnomish Lexicons in Light of Medieval Contemplative Practices and Synaesthetics
Måns Berg: “Usually Omitted”: The Long and Convoluted History of hwesta sindarinwa
Henrik Williams: The Saluda Runestone and the Russellville Inscription
Volume 8
Måns Berg: Almost Certainly Almaida: An Investigation of Númenor’s Lost City-name
Christopher Gilson: “Unrecorded” Germanic: An Art-language for England
Roman Rausch: Rank-frequency Distributions of Aesthetic Units
Paul Strack: Vocalization of Spirants in Sindarin and Noldorin
John Garth: Shorthand Signalling: A New Source for the Tengwar?