Collection consists mainly of photocopies of original manuscripts in Spanish from Archivos General de Indias, Sevilla, Spain. There are a few translations in Spanish and English in holograph, a few typed copies of the translations and transcription, plus some holograph notes and typed pages of the manuscript by Dr. Boyd. These, the microfilm rolls, and other items that are included in the gift by Dr. Boyd are packed in separate envelopes, boxes and other containers.