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The Casebook of Sherlock Holmes · Character
Mercer
Mercer is a character in The Casebook of Sherlock Holmes by Arthur Conan Doyle.
minor
First appearance: 0001-the-casebook-of-sherlock-holmes
A servant at 221B Baker Street.
The Casebook of Sherlock Holmes · Character
Mercer is a character in The Casebook of Sherlock Holmes by Arthur Conan Doyle.
minor
First appearance: 0001-the-casebook-of-sherlock-holmes
A servant at 221B Baker Street.