| Comstock, Harold A.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | WILLIAM F. FITCH | Chief Engineer |
| Comstock, Harold A.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | WILLIAM F. FITCH | Chief Engineer |
| Comstock, Harold A.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | F. B. SQUIRE | Chief Engineer |
| Comstock, Harold A.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | F. B. SQUIRE | Chief Engineer |
| Comstock, Harold A.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | F. B. SQUIRE | Chief Engineer |
| Comstock, Harold A.; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | F. B. SQUIRE | Chief Engineer |
| Comstock, Harold A.; 1933 Red Book; 1933 | 1933 Red Book | 1933-00-00 | F. B. SQUIRE | Chief Engineer |