Periodicals by author
If no author is listed, author is unknown
| Author | Title | Source | Year |
|---|---|---|---|
| Ladner, "Loco" | Checkmate! | Deaf American | 1980 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1955 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1959 |
| Ladner, "Loco" | Checkmate!: Fourth National is strongest yet | Silent Worker | 1956 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1954 |
| Ladner, "Loco" | Checkmate!: Second tournament begins | Silent Worker | 1951 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1955 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1957 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1962 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1956 |
| Ladner, "Loco" | Checkmate!: Results of second tournament | Silent Worker | 1953 |
| Ladner, "Loco" | Flash--Leitson is champion | Silent Worker | 1956 |
| Ladner, "Loco" | Checkmate!: Final results of fifth national tournament | Silent Worker | 1959 |
| Ladner, "Loco" | Checkmate! | Silent Worker | 1954 |
| Ladner, :"Loco" | Checkmate! | Silent Worker | 1958 |
| Ladner, E.S. | Oakland produces top bowlers | Silent Worker | 1949 |
| Ladner, Emil | Checkmate | Deaf American | 1978 |
| Ladner, Emil S. | California chess nuts | Silent Worker | 1949 |
| Ladner, Emil S. | California Catholics have only center in west: Governor's former home | Silent Worker | 1951 |
| Ladner, Emil S. | California association convenes in S.F. | Silent Worker | 1948 |