What has the author Mary Ella Holst Zippel written?

Answer 1

Mary Ella Holst Zippel has written:

'Unitarian Universalist contributors to literature for children' -- subject(s): Bibliography, Books and reading, Children, Childrens' literature, Juvenile literature, Unitarianism

Answer 2

Mary Ella Holst Zippel has written the book "Cowgirls: Women of the American Wild West." This book explores the lives and stories of the women who lived and worked in the American frontier during the late 1800s.