Complex sentence: He has supplied the Article "Boy Scouts" for the Encyclopedia of Children and Childhood, 2004 Macmillan Reference USA, Thomson Gale 2004 Volume 1 and was listed in the Acknowledgements in the Biography on Baden-Powell by the Author Tim Jeal.
Split into simpler sentences: He has supplied the Article "Boy Scouts" for the Encyclopedia of Children and Childhood, 2004 Macmillan Reference USA, Thomson Gale 2004 Volume 1. The Biography on Baden-Powell by the Author Tim Jeal.