Complex sentence: Neither Miller, Rothman or others ever pointed out that an erasure appears on the slave census in the Farm Book that Thomas Jefferson wrote in the column for male slaves and in the row for slaves born in 1790.
Split into simpler sentences: Neither Miller, Rothman or other historians ever pointed out that an erasure appears on the slave census in the Farm Book that Thomas Jefferson wrote. This particular erasure appears in the column for male slaves and in the row for slaves born in 1790.