| Elhammer, Rudolph; 1905 Red Book; 1905 | 1905 Red Book | 1905-00-00 | OMAHA | Chief Engineer |
| Elhammer, Rudolph; 1906 Red Book; 1906 | 1906 Red Book | 1906-00-00 | OMAHA | Chief Engineer |
| Elhammer, Rudolph; 1907 Red Book; 1907 | 1907 Red Book | 1907-00-00 | OMAHA | Chief Engineer |
| Elhammer, Rudolph; 1908 Lynn's; 1908 | 1908 Lynn's | 1908-00-00 | OMAHA | Chief Engineer |
| Elhammer, Rudolph; 1909 Red Book; 1909 | 1909 Red Book | 1909-00-00 | OMAHA | Chief Engineer |
| Elhammer, Rudolph; 1910 Red Book; 1910 | 1910 Red Book | 1910-00-00 | OMAHA | Chief Engineer |
| Elhammer, Rudolph; 1917 Red Book; 1917 | 1917 Red Book | 1917-00-00 | CONESTOGA | Chief Engineer |
| Elhammer, Rudolph; 1918 Red Book; 1918 | 1918 Red Book | 1918-00-00 | MANCHESTER | Chief Engineer |
| Elhammer, Rudolph; 1919 Red Book; 1919 | 1919 Red Book | 1919-00-00 | JAMES S. DUNHAM | Chief Engineer |
| Elhammer, Rudolph; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | JAMES S. DUNHAM | Chief Engineer |
| Elhammer, Rudolph; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | JAMES S. DUNHAM | Chief Engineer |
| Elhammer, Rudolph; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | JAMES S. DUNHAM | Chief Engineer |
| Elhammer, Rudolph; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1926 Red Book | 1926 Red Book | | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; 1939 Red Book; 1939 | 1939 Red Book | 1939-00-00 | WILLIAM H. WOLF | Chief Engineer |
| Elhammer, Rudolph; Great Lakes News 7/40; 1940 | Great Lakes News 7/40 | 1940-00-00 | WILLIAM H. WOLF | Chief Engineer |