Below are some books and other sources covering North West Auckland.
Deborah Dunsford. Doing it Themselves. Huapai-Kumeu Lions, 2002. E-book version available soon.
Deborah Dunsford. Childhood in the Kumeu-Huapai District oral history project. 2000-2001. Turnbull Library. More here.
Alice Rea. They came for Kauri but .... The history of Waimauku and Muriwai 1863-1963. 1st Ed. published by Waimauku Early Settlers Association. 1963. 2nd Ed. 2019 published by Resource Books as Ebook edition available from Amazon here.
Peter Reaves. The Kaipara Line: Commemorating the 125th anniversary of the opening of the Riverhead-Helensville rail link on October 29, 1875. Rodney Tourist & Development Trust. 2001. Available at Auckland Public Library.
Ian B. Madden. Riverhead : the Kaipara gateway : an historical record of the upper reaches of the Waitemata Harbour including Paremoremo, Lucas Creek, Herald Island, Whenuapai, Brighams Creek, Kumeu, the Ararimu, Coatesville . Riverhead Jubilee Association. 1966. Available at Auckland Public Library.