| Lawrence, Frederick; ISMA Directory; 1908 | ISMA Directory | 1908-00-00 | CEYLON | Captain |
| Lawrence, Frederick; ISMA Directory; 1917 | ISMA Directory | 1917-00-00 | | Captain |
| Lawrence, Frederick; ISMA Directory; 1924 | ISMA Directory | 1924-00-00 | | Captain |
| Lawrence, Frederick; ISMA Directory; 1925 | ISMA Directory | 1925-00-00 | | Captain |
| Lawrence, Frederick; ISMA Directory; 1926 | ISMA Directory | 1926-00-00 | NEPTUNE | Captain |
| Lawrence, Frederick; ISMA Directory; 1927 | ISMA Directory | 1927-00-00 | NEPTUNE | Captain |
| Lawrence, Frederick; ISMA Directory; 1928 | ISMA Directory | 1928-00-00 | CETUS | Captain |
| Lawrence, Frederick; ISMA Directory; 1929 | ISMA Directory | 1929-00-00 | CETUS | Captain |
| Lawrence, Frederick; ISMA Directory; 1931 | ISMA Directory | 1931-00-00 | REED, JAMES H. | Captain |
| Lawrence, Frederick; ISMA Directory; 1932 | ISMA Directory | 1932-00-00 | | Captain |
| Lawrence, Frederick; ISMA Directory; 1933 | ISMA Directory | 1933-00-00 | | Captain |
| Lawrence, Frederick; ISMA Directory; 1939 | ISMA Directory | 1939-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1940 | ISMA Directory | 1940-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1941 | ISMA Directory | 1941-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1942 | ISMA Directory | 1942-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1943 | ISMA Directory | 1943-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1944 | ISMA Directory | 1944-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1945 | ISMA Directory | 1945-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1946 | ISMA Directory | 1946-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1947 | ISMA Directory | 1947-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1948 | ISMA Directory | 1948-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1949 | ISMA Directory | 1949-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1950 | ISMA Directory | 1950-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1951 | ISMA Directory | 1951-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1952 | ISMA Directory | 1952-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1953 | ISMA Directory | 1953-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1954 | ISMA Directory | 1954-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1955 | ISMA Directory | 1955-00-00 | | |
| Lawrence, Frederick; ISMA Directory; 1956 | ISMA Directory | 1956-00-00 | | |