>>826102
>http://www.catholictradition.org/masonry.htm - Critique of freemasonry and its influence on America.
I would also strongly recommend the book Why Catholics Cannot be Masons, penned by ex-freemason John Salza and published by TAN Books, for a short, yet enlightening, treatise on the subject.
Additions:
http://www.newadvent.org/
Aggregator of news from orthodox Catholic sources, as well as an invaluable archive of historical Roman Catholic literature such as the Summa Theologiae and the entirety of the 1909 Catholic Encyclopedia.
http://www.newliturgicalmovement.org/
Catholic blog highlighting a number of liturgical topics from both the East and West; these range from frequent photodumps of aesthetically-edifying liturgical displays to meditations on the Roman Rite itself, such as the following: http://www.newliturgicalmovement.org/2019/08/why-restoring-roman-rite-to-its.html
Also of note is the extensive booklist maintained by the blog's authors, to be found on the left side of the blog beginning with the header "Liturgical Studies."
https://orthodoxartsjournal.org/
Very similar to the previously-cited New Liturgical Movement, albeit with an emphasis on Eastern Orthodox liturgical arts rather than ones of a Western characteristic.
I realize that the latter two are blogs, rather than the explicit libraries of eBooks implied by OP's posting, but they should nonetheless provide some degree of elucidation or another to anyone interested in the subject.