H.A Brown's c. 1940s Ink + Watercolor "Planes Problems and "Elements of Drawing" Set of 43 Plates woman-shaped There are no readable measures

There are no readable measures on the bone

I take for a Native American of the Pacific Northwest

I've done some digging and have found a few Ebenezer Averill's from these parts from the 18th and 19th centuries

And though found separately

H.A Brown's c. 1940s Ink + Watercolor "Planes Problems and "Elements of Drawing" Set of 43 Plates woman-shaped There are no readable measuresThis was quite an exciting thing to find yesterday in New Hampshire, and I'm listing some larger drawings by the same H. A Brown separately. The cover that held these together is detached, and a majority remain bound with thread, but the thread is easily removed to break them up, and they are in pretty much perfect, pristine condition, ready to individually frame as desired. Though some more interesting than others, these are really gorgeous things,