The Holy Spirit

a.       Acts of the Apostles chapters 1-2 OSB_NT.

b.       What we believe about the Holy Trinity, Fr. Coniaris, p 31-43

c.        Holy Spirit – The Orthodox Faith, Fr. Thomas Hopko, Vol. 1 (blue), Chapter 1, p. 118-123. Also at https://oca.org/orthodoxy/the-orthodox-faith/doctrine-scripture/the-symbol-of-faith/holy-spirit

d.       The Holy Spirit – The Orthodox Faith, Fr. Thomas Hopko, Vol. 4 (green), Chapter 1, p. 12-13. Also at https://oca.org/orthodoxy/the-orthodox-faith/spirituality/orthodox-spirituality/the-holy-spirit

e.       God in Trinity – The Orthodox Church, Timothy Ware, p.208-218. Explains the Filioque issue.

f.         Podcast: The Holy Spirit, Fr. Thomas Hopko, http://www.ancientfaith.com/podcasts/hopko/the_holy_spirit

g.       Podcast: The Filoque, Fr. Thomas Hopko,  http://www.ancientfaith.com/podcasts/hopko/the_filioque

h.       Podcast: Acquisition of the Holy Spirit, Fr. Thomas Hopko, http://www.ancientfaith.com/podcasts/hopko/acquisition_of_the_holy_spirit

i.         Podcast: An Orthodox Appraisal of Protestantism - The Staley Lecture at Whitworth University, Fr. Josiah Trenham, (at least min 20-34 on the Filioque. Great lecture, listen to it all!) http://www.ancientfaith.com/podcasts/thearena/an_orthodox_appraisal_of_protestantism_the_staley_lecture_at_whitworth_coll