pairwise shared 5-grams (KJV excluded), rate per 10k types of the smaller text:
pair                          shared    rate
BoM <-> LateWar                  256    50.8
BoM <-> Napoleon                  98    47.6
LateWar <-> Napoleon              36    17.5
BoM <-> ViewHebrews               71    14.3
Irving <-> Spalding               38    14.2
Cooper <-> Spalding               35    13.1
BoM <-> Spalding                  31    11.6
Cooper <-> LateWar                58    11.5
Cooper <-> Irving                149    11.5
Cooper <-> Napoleon               21    10.2
Irving <-> LateWar                46     9.1
Irving <-> ViewHebrews            42     8.5
Irving <-> Napoleon               17     8.3
BoM <-> Cooper                   109     7.4
BoM <-> Irving                    88     6.8
Cooper <-> ViewHebrews            31     6.2
LateWar <-> ViewHebrews           28     5.6
LateWar <-> Spalding              15     5.6
Spalding <-> ViewHebrews          13     4.9
Napoleon <-> ViewHebrews           9     4.4
Napoleon <-> Spalding              2     1.0