The author of this website has provided links to many external websites as a service to readers. The author does not wholly or partially own or manage these services, organizations, or resources and can accept no responsibility or liability for any loss, injury, or inconvenience sustained by anyone as a result of information, advice, products, or services from these external sources. The author provides links only to services, organizations, and resources in which personal experience has been positive; however, no further research has been done to verify these external sources.

Much of the content and materials on recommended sites are drawn from a broad range of original historical resources and presented as a record of the era in which they were produced. Materials that contain offensive language or stereotypes should be viewed in the context of the time and place in which they were created and not a reflection of the author's viewpoints or beliefs.