521. Reference : MM-1-109-40

| January 13, 1961 A letter from Moerman to McHale, related to images and information about the process of sugar making and product distribution. | Letter

522. Reference : MM-1-115-2

| Description of the operation of the grinder to press sugar cane. | Punch card

523. Reference : MM-1-113/4

| A book about the role of sacred trees in the ceremony to plant the new spiritual pole for a house. It is related to the day and month for building a house, and is written in Lanna script. | Punch card

524. Reference : MM-1-113/5

| Pali incantation for cabalistic writings on a spiritual pole. It consists of Sao Nang and four other poles in different corners, and is written in Lanna script with Thai language translation. | Punch card

525. Reference : MM-1-113/3

| A book about superstitious beliefs, such as about housing. It is inscribed with Lanna script and translation into Central Thai. | Punch card

526. Reference : MM-1-109-33

| November 19, 1960 A letter from an unidentifiable sender to Moerman. The correction of former information on pages 7, 16 and 19, concerning the beliefs of the Tai Lue. | Letter

527. Reference : MM-1-109-34

| November 24, 1960 A letter from Praya Anuman [Praya Anuman Rajadhon] to Moerman. He had already read the article about the housing of the Tai Lue, and sent to two books on Thailand to Moerman. | Letter

528. Reference : MM-1-109-41

| January 25, 1961 A letter from Moerman to Praya Anumann Rajadhon, giving comments on the response of Praya-anumanrajchadhon to Moerman's article. It was mainly concerned with Tai Lue houses and construction, and including white and red cloth, belief in Thai society, and the traditional repertoire of Lue. | Letter

529. Reference : MM-1-109-43

| February 2, 1961 A letter from Moerman to M. Archaimbault, agreeing on Archaimbault's comments over Moerman's articles, giving a clearer explanation on the construction of Tai Lue houses, particularly about spirits, deities, rituals and beliefs about spirits. | Letter

530. Reference : MM-1-109-73

| August 2506 B.E. A letter from Praya Anuman Rajadhon to Moerman, expressing gratitude to Moerman for talking about western culture. He related the daily life of the villagers, such as merit making and rural development. | Letter