DESCRIPTIVE SYMBOLS AD Autograph Document ADft Autograph Draft ADS Autograph Document Signed ADSC Autograph Document Signed, in carbon copy AKS Autograph Postcard Signed AL Autograph Letter ALS Autograph Letter Signed ALSX Autograph Letter Signed, in photocopy DftS Draft Signed DS Document Signed DX Document, in photocopy LC Letter, in carbon copy PD Printed Document PDS Printed Document Signed TD Typed Document TL Typed Letter TLS Typed Letter Signed TTrL Typed Transcript of a Letter