The Nacar-Colunga is a Spanish translation of the Bible originally published in 1944. This work was performed by Eloíno Nácar Fúster and Alberto Colunga Cueto.
It constitutes one of the most popular Spanish versions in the Roman Catholic Church.
You can read this version online here, Nacar-Colunga Version.

Moule Veni Creati is an old, well known work in studies in the Holy Spirit by Bishop (Anglican) H.G.C. Moule. It has 12 chapters. It is a deep treatment of the Holy Spirit. Although Moule was Anglican, his writings are well written and good.
Downloads:
theWord: Moule Veni Creati
MySword: Moule Veni Creati
ESword:Moule Veni Creati
Adobe Acrobat PDF: Moule Veni Creati
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Pollock The Holy Spirit of God is a single chapter work by this brethren author. Sections: His personality, Membership in the Trinity, God's name is 2,500 in the plural, etc.
PDF: Pollock The Holy Spirit of God
theWord: Pollock The Holy Spirit of God
MySword: Pollock The Holy Spirit of God
eSword: Pollock The Holy Spirit of God