Please sign your letters Please don't make me blue Please sign your letters, and then I'll know it's you Can't stop thinking of you You're always on my mind Please sign your letters Please don't be unkind I read your letter I read most every line You said you loved me, said you would be mine My heart was jumping Something shook my mind I found your letter was left unsigned Please sign your letters Please don't make me blue Please sign your letters, and then I'll know it's you Can't stop thinking of you You're always on my mind Please sign your letters Please don't be unkind Your letter said we'd met some time ago I'd like to see you, but somehow you just won't show I just don't know which way to go Your letter said we'd met some time ago I'd like to see you, but somehow you just won't show I just don't know which way to go Please sign your letters Please don't make me blue Please sign your letters, and then I'll know it's you Can't stop thinking of you You're always on my mind Please sign your letters Please don't be unkind Please sign your letters Please don't be unkind