A most wonderful chart looking at schemas. By Michelle Thornhill posted with permission.
http://mthornhill.weebly.com/uploads/6/3/4/0/63404993/loose_parts_by_schema.pdf
The updated version of Michelle Thornhills amazing chart on schemas!
http://mthornhill.weebly.com/uploads/6/3/4/0/63404993/loose_parts_by_schema_2017.pdf
Wander Wild Wonder 