Due to their historical significance, the documents were declared as a National Cultural Treasure by the National Archives of the Philippines Director Victorino Manalo during the Second Baybayin Conference at the Museum of the Filipino People, Manila on 22 August 2014.

[2] Baybayin historically refers to a Brahmic syllabic script used for the Tagalog language and was used in the Philippines before and early into the Spanish conquest.

[3] As an alpha syllabic script, its character can either stand as a single consonant or vowel, or an entire syllable.

[7] They are also the oldest known deeds of sale for land in the Philippines during the Spanish colonization.

[8] When Capiit died sometime between 1613 and 1625, Longar was remarried to Don Luis Castilla, who sold some lands to the University of Santo Tomas in 1629.