Fiction about/set in Dust Bowl, 1950s-60s missionaries, 20th century Canada, 1980s-2000s Philippines, and/or early US settlers

Our book club (35-55 liberal minded women) is considering a section connecting to personal family history. Title has descriptors of some of the characteristics we spitballed. Any *good* books you can recommend? We’d rather read a good book than just merely one that fits the criteria. Vetoed: Grapes of Wrath, Little House on the Prairie, [...]