What has the author Alf Andrew Heggoy written?

Alf Andrew Heggoy is a well-known historian specializing in Norwegian American history. His most prominent work is "Norwegian-American History: A Bibliography." This comprehensive bibliography has been invaluable to scholars researching Norwegian American history and is considered a foundational resource in the field.

Heggoy has also written several other books, including:

* "The Norwegian-American Contribution to the United States": This book explores the various contributions of Norwegian Americans to American society, covering areas such as education, religion, and cultural life.

* "The Vikings: A History": Heggoy also authored a book on the Vikings, providing a detailed account of their history, culture, and voyages.

In addition to his books, Heggoy has published numerous articles and essays on various topics related to Norwegian American history. He has been a significant contributor to the field and his works remain important sources for scholars and enthusiasts of Norwegian American history.