Complex sentence: Of about threehundred portraits and pictures, which were personally inspected by J.C. Block for his book, nearly all works show J. Falck, sculp., but there are some that identify him as Swedish sculptor, when he was in salaried employment in Sweden.
Split into simpler sentences: Of about threehundred portraits and pictures, which were personally inspected by J.C. Block for his book. Nearly all works show J. Falck, sculp., but there are some that identify him as Swedish sculptor, when he was in salaried employment in Sweden.