Contains sermons for Nativity season (from the Sunday of the Holy Forefathers through the Sunday after Theophany), Civil New Year, and various Saint's and Feast Days.

Contains sermons for mid-week services during Great Lent, as well as sermons for Lenten "mission" events.

Contains sermons for occasions not based on the liturgical calendar, including Memorial Day, Mother's Day, sermon for returning veterans, funeral eulogies (for Ol'ha Basarabova, Lt. Michael Staso, Natalia Hrypevets'ka, and one with an illegible name), and a sermon for radio broadcast.

Contains incomplete sermons, detached pages, and notes.

Contains manuscripts and notes written by Fr. Gregory or by third parties (authorship is unclear in many cases).

Contains manuscripts and notes written by Fr. Gregory or by third parties (authorship is unclear in many cases).

Contains manuscripts and notes written by Fr. Gregory or by third parties (authorship is unclear in many cases).

Contains the manuscript of the published book, as well as the US Copyright Office registration certificate and letter to Fr. John Hundiak from Abp. Athenagoras commending the catechism.

Contains religious education materials of uncertain authorship.

Contains holograph manuscript with title page: "Кофечік - славна індиянська княгиня. Правдиве оповіданя про ґенерала De Soto і його жовнірів. З англійського переклав: Гр. Хомицький" ("Kofechik - The glorious Indian princess. A true story of General De Soto and his soldiers. Translated from the English by G. Chomicky")