Publishing info incomplete. |
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SIGN OF THE SPIRAL -- 1947, McLoughlin Bros; 1947, Grosset & Dunlap.
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THE TELLTALE SCAR -- 1947, Grosset & Dunlap.
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THE CLUE OF THE CYPRESS STUMP -- illustrate by E.H. Kuhlhoff. 1948, Grosset & Dunlap; 1948, McLoughlin Bros.
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THE SECRET OF THE LOST MESA -- 1949, McLoughlin Bros; 1949, Grosset & Dunlap.
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THE HIDDEN STONE MYSTERY -- 1950, McLoughlin Bros; 1950, Grosset & Dunlap.
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THE SECRET OF THUNDER MOUNTAIN -- 1952, McLoughlin Bros; 1952, Grosset & Dunlap.
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THE INCA LUCK PIECE -- 1955, McLoughlin Bros.
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MYSTERY OF THE TIMBER GIANT -- 1955, McLoughlin Bros.
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