Columbia subject headings:
Breach of contract--Massachusetts.
Etheridge, Samuel, 1791?-1847.
Sylvan.
Sylvan. Confidential communication of the enemy of human diseases.
Harvard subject headings:
Debtor and creditor--Massachusetts.
Etheridge, Samuel, 1791?-1847--Trials, litigation, etc.
Receipts (Acknowledgments)--Massachusetts.
Sylvan--Trials, litigation, etc.
Princeton subject headings:
Breach of contract--Massachusetts.
Etheridge, Samuel, 1791?-1847.
Sylvan.
Sylvan. Confidential communication of the enemy of human diseases.