2017

• “Shamanism in Ancient Greece” Going up, Going down: Transgressions in Shamanism and in Ancient Cultures, Jagiellonian University, Krakow, Poland, June 1
• “Hesiod and Archilochos” Open University of the Municipality of Kifissia, Athens, Greece, May 11

2015

• “Who Sang the Orphic Hymns?” The John Paul II Catholic University of Lublin, ` Nieborow, Poland, October 7-10
• “The Greek Resistance Song, 1940-1950” The University of Ioannina, Grevena, Greece, September 4-7
• “The Establishment of Apollon’s Cult at Delphi” Delphi, Greece, May 3, 2015
• “Honey in the Indo-European Languages” before visiting students and faculty of the John Paul II Catholic University of Lublin, Athens, Greece, April 29
• “The Landscape of Orphic Afterlife: Modern Greek Survivals” Athens Centre, April
• “Mythic Icons in Greek Mythology” The Brigham Young University, Utah, USA, February 22
• “Meter and Meaning in Homer” The Brigham Young University, Utah, USA, February 20
• “Viking Values and Homeric Parallels” California Lutheran University, The American Scandinavian Foundation for Literature and History, February 7
• “Spartan Ideology and Poetry” The Spartan Society, Sparta, Greece, January 4

2014

• “Traces of Orphic Imagery in Modern Greek Folk songs” The John Paul II Catholic University of Lublin, Nieborow, Poland, September 15-18
• “The Roots and Evolution of Ancient Greek Lyrical Poetry”, the University of Ioannina, Grevena, Greece, August 22-24
• “Hesiod’s Works and Days: Work and Justice, the Inseparable Couple”, Democritus University Of Thrace, Komotini, Greece, January 14 

2013

• “Structural Elements of Criminal Law in the Odyssey” The Society for Odyssey and Studies, Ithaca, Greece, September

2005

• “Metamorphoses in Ancient Greek Religion.” November 10. Department of Religious Studies, National University of Finland, Helsinki.
• “The Bear in Mythology.” November 12. University of Turku City if Pori, Finland.

2004

• “The Homeric and Hesiodic Catalogs: Poetry and Aethla.” 10th International Symposium on the Odyssey. Ithaca, Greece.
• “Catalogs of Names in the Iliad and the Odyssey.” September 15-19. Center for Odyssean Studies, Ithaca, Greece.

2002

• “220 Years since the Death of Georgios Karaiskakis.” Invitation by District Governor of Arta. Arta, Greece.

2001

• “Europe at the Dawn of History: The Mythic and Geographic Origins of the European Continent.” 40th Anniversary of College Year in Athens. Athens, Greece

1986

• “Reforms in Greek Higher Education,” UCLA Hellenic University Club, September 27.
• “Cretan Poetry,” Pan-Cretan Association of America, Fresno, California, October 14.

1983

• “The Art of Translation: Is it possible?,” Paul Mellon Foundation Lecture at Howard University, February 14.
• “Hesiod’s Folk Etymology and the Indo-European Origins of Aphrodite,” The Johns Hopknis University, February 14.
• “The Odyssey of Kazantzakis Within the Context of the Greek Epic Tradition”   given at San Francisco State University and at Berkeley, February 17.
• “Hesiod’s Folk Etymology and the Indo-European Origins of Aphrodite,” Stanford University.
• “The Odyssey of Kazantzakis Within the Context of the Greek Epic Tradition,” The Demokritos Society.
• “The Ideological Basis of the Greek War of Independence, 1821, “ the Greek Community of Fresno, March 25.

1982

• “Greek Americans and the Future of Their Cultural Identity,” January 16, UCLA Hellenic University Club.
• “Ancient Greek Concepts in Modern Greek Folk Song,” San Francisco State University, April 19.
• “Hesiod’s Folk Etymology and the Indo-European Origins of Aphrodite,” San Francisco State University, April 19.
• “The Origins and Cultural Values of the Jewish Community of Jannina” at the Judah Magnes Museum, February 2.
• “The Religious Bards of the Jewish Community of Jannina,” Judah Magnes Museum, February 2.
• “The Meaning of Freedom in a Changing World.” For the Greek Community of Fresno, March 30.
• “The Founding Fathers of America and the Birth of Modern Greece.” For the Greek Community of Santa Barbara, March 23.
• “The Roots of non-Ladino Religious Song in Greece. A one-hour interview taped by Professor Martin Schwartz (U. C. Berkeley) and broadcasted on April 11.
• “Greek Religion and the Dumezilian Model” presented to Religious Studies Colloquium, UCSB, Spring Quarter.
• “From Phallic Cairn to Divine Herald: The Story of Hermes,” University of Lund, Sweden, September 28.
• “The Odyssey of Kazantzakis Within the Context of the Greek Epic Tradition” at the joint session of the American Philological Association and the Modern Greek Studies Association, December 30.

1981

• “The Thesaurus of the Greek Language: A User’s View.” Invited paper, APA meetings, December 30.

1979

• “The Formula in the Kleftic Ballads, “ Classics Department, University of Lund, Sweden, January 18.

1978

• “The Modern Greek Folk Song”; and Poetry Reading, Wayne State University, May 4-5.

1977

• “The Eleusinian Mysteries: A New Look at the Evidence,” Texas Tech, Lubb ck, Spring.
• “A Reexamination of the Theme of Justice and Honor in the First Four Books of the Odyssey,” Dartmouth College, Spring.
• “The Motions of Honor and Property in the Odyssey,” before the fellows of the Center for Hellenic Studies, Spring.
• “The Cypriot Wedding Meal and the Eleusinian Mysteries,” The Athenian Club, Washington, D. C. , January.
• “Drengskapur and Arete: Homeric and Viking Concepts of Honor.: Under the auspices of the Fulbright Foundation and the United States Information Service, Reykjavik, Iceland, August.

1976

• “The Klepthic Ballads and the Heroic Ethos.” Before the American Philological Association at its yearly convention in New York, December 30.

1975

• “The Birth if Modern Literary Conscience II: Papadiamantis – Makriyiannis.” Invited address delivered in my capacity as chairman of a joint MLA/MGSA Seminar at MLA meetings, San Francisco, December.

1974

• “Music and Ritual in Primitive Eleusis.” Classics Seminar, UC Irvine, by invitation of that department, March.
• “The Birth of Modern Greek Literary Conscience I: Solomos and the Classics,” invited paper, MLA/MGSA symposium, New York, December.

1973

• “Double-Entendres in Seneca’s Apocolocyntosis”  (by title), American Philological Association, St. Louis.

1971

• “Blemeaino-ablemes (-eos): Meaning and Etymology” (by title), American Philological Association, New York.
• “Parallels Between The Poetic Edda and the Iliad” before the American Scandinavian Foundation, Santa Barbara.