* There are 2 catalog #s,670-8074 on Front Cover, Seal, Sheet of Letters; 00640 on Back Cover and Photo of the letterhead; the two numbers are on the spine.
* There is a printing error: The stamp informs the inverted sides A and B (Attention to the songs).
* The Song "Disciples of the Watch" was inspired by the movie "Children of the Corn" and "Musical Death (A Dirge)" is dedicated to the memory of Letty Csengeri.