The Psalter According to the Seventy
This Psalm Is One Written By David's Own Hand, Though It Is Not Numbered With The One Hundred and Fifty Psalms. Composed When He Fought In Single Combat With Goliath.
Here you can access individual chapters and kathisma of the The Psalter According to the Seventy . Kathismata range from 1 to 20. Chapters range from 1 to 151 (there's an extra Psalm in the Septuagint.)
Prayers from the Great Horologion are copyright 1997 Holy Transfiguration Monastery , Boston, MA, and are used with permission.
Translations of troparia and kontakia from the complete Menaion trans. Br. Isaac Lambertsen, published by The St. John of Kronstadt Press are used by permission.
Content from the Octoechos and Menaion are copyright www.st-sergius.org and are used with permission.