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1Awduron Eraill: “...Robertson, John Mackinnon...”
Rhif Galw: PH 6 18 + *Sha/Cha-01Llyfr -
2Awduron Eraill: “...Robertson, John Mackinnon...”
Rhif Galw: PH 6 18 + *Sha/Cha-02Llyfr -
3gan Shaftesbury, Anthony Ashley Cooper ofAwduron Eraill: “...Robertson, John Mackinnon...”
Cyhoeddwyd 1900
Rhif Galw: PH 6 18 + *Sha/ChaLlyfr