Diet

Free to read here, from Project Gutenberg.

Science in the Kitchen

E. E. Kellogg

The Ethics of Diet

Howard Williams

The Chemistry of Food and Nutrition

A. W. Duncan

How and When to Be Your Own Doctor

Isabel A. Moser and Steve Solomon

No Animal Food; and Nutrition and Diet; with Vegetable Recipes

Rupert H. Wheldon, also an audiobook

Diet and Health; With Key to the Calories

Lulu Hunt Peters

The A.B.-Z. of our own nutrition

Horace Fletcher

A Comprehensive Guide-Book to Natural, Hygienic and Humane Diet

Sidney Hartnoll Beard

Encyclopedia of Diet: A Treatise on the Food Question, Vol. 1

Eugene Christian

The Art of Invigorating and Prolonging Life

William Kitchiner

Encyclopedia of Diet: A Treatise on the Food Question, Vol. 4

Eugene Christian

Encyclopedia of Diet: A Treatise on the Food Question, Vol. 2

Eugene Christian

Encyclopedia of Diet: A Treatise on the Food Question, Vol. 5

Eugene Christian

The physiology of digestion considered with relation to the principles of dietetics

Andrew Combe

The New Glutton or Epicure

Horace Fletcher

Maintaining Health (Formerly Health and Efficiency)

Rasmus Larssen Alsaker

The old man's guide to health and longer life

John Hill

Overweight and Underweight

Metropolitan Life Insurance Company

Commentario de le piu notabili, & mostruose cose d'Italia, & di altri luoghi di lingua aramea in Italiana tradotto, nelquale si impara, & prendesi estremo piacere

Ortensio Landi

Italian

Encyclopedia of Diet: A Treatise on the Food Question, Vol. 3

Eugene Christian

Veien til Skjønhed, Sundhed og et Langt Liv

Boyd Laynard

Norwegian

The Frugal Life: A Paradox

Ortensio Landi

No food with my meals

Fannie Hurst