Further information of the Sealed Books and Sealed Library can be found from here. See the page Foreign Secret Records for information regarding the storyline that these books cover.
A-series
This shelf was added with the event Purify "Alice's Adventures in Wonderland". See the story here.
B-series
This shelf was added with the event Purify "The Final Problem". See the story here.
C-series
This shelf was added with the event Purify "The Fall of the House of Usher". See the story here.
D-series
This shelf was added with the event Purify "Crime and Punishment". See the story here.
E-series
This shelf was added with the event Purify "The Great Gatsby" - Part 1. See the story here.
F-series
This shelf was added with the event Purify "The Great Gatsby" - Part 2. See the story here.
G-series
This shelf was added with the event Purify "Faust". See the story here.
H-series
This shelf was added as a stand-alone shelf not part of any event to fill the Foreign Secret Records storyline. Book H-3 "Holmes' Final Problem" has only recollections and no delves, thus it's not included in this list. See the story here.
I-series
This shelf was added with the event Purify "The Flowers of Evil". See the story here.