- Jarvis, Edward, 1803-18841
- Jenner, Andrew J. B., author1
- Johnson, Kay, author1
- Kanter, Genevieve P., author1
- Karimi, Madjid, author1
- Kellogg, John Harvey, 1852-1943 author1
- Kitchiner, William, 1775?-18274
- Knopf, S. Adolphus (Sigard Adolphus), 1857-1940 author1
- Ladd, Heather, author1
- Lautenbach, Louis J., author1
- Lawson, Alfred W. (Alfred William), 1869-1954, author1
- Leri, Damien, author1
- Levi, Jeffrey, author2
- Low, J. E. (James E.), 1837-, author1
- Lukanen, Elizabeth, author1
- Maine. State Board of Health, author.1
- Marus, Jessica, author1
- McCulloch, Mary P., author1
- McKenna, Helen, author1
- Miles, Eustace, 1868-1948 author1