[LETTER XXXVII.] SHINGLES, SUNSHINE, AND FRESH AIR
[LETTER XXXVIII.] WHERE THE DOCTORS DIFFER
[LETTER XXXIX.] HOW TO DO IT
[LETTER XL.] THE BREATH OF LIFE
[LETTER XLI.] ETERNAL VIGILANCE
[LETTER XLII.] SAVED BY CONSCIENCE
[LETTER XLIII.] FINAL AND PERSONAL