Second Volume
Two Volumes
noun
The number two scroll is the second volume. With Japanese books, they often come in pieces with groups of three being common. This represents the second volume.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
二巻では、引用の出典に関する別表が作成されました。
They made an appendix for all sources cited in the second volume.