111. Reference : CY-1-17-12

Official document: Invitation for meeting between Thammasat University and the Political Bureau 16/1983

| 1983 | Official document: Invitation for meeting between Thammasat University and the Political Bureau 16/1983 (September 22, 1983) | Typescript

112. Reference : CY-1-17-13

Official document: Invitation for meeting between Thammasat University and the Political Bureau 17/1983

| 1983 | Official document: Invitation for meeting between Thammasat University and the Political Bureau 17/1983 (October 4, 1983) | Typescript

113. Reference : CY-1-17-14

Official document: Invitation for meeting between Thammasat University and the Political Bureau 18/1983

| 1983 | Official document: Invitation for meeting between Thammasat University and the Political Bureau 18/1983 (November 3, 1983) | Typescript

114. Reference : CY-1-17-15

Official document: Invitation for meeting between Thammasat University and the Political Bureau 19/1983

| 1983 | Official document: Invitation for meeting between Thammasat University and the Political Bureau 19/1983 (December12, 1983) | Typescript

115. Reference : CY-1-17-16

Official document: Invitation for a meeting of the Committee for Historical Document Publication 5/1983

| 1983 | Official document: Invitation for a meeting of the Committee for Historical Document Publication 5/1983 (September 27, 1983) | Typescript

116. Reference : CY-1-17-17

Official document: Assignment of the Committee for Historical Document Publication 1/1983

| 1983 | Official document: Assignment of the Committee for Historical Document Publication 1/1983 (March 23, 1983) | Typescript

117. Reference : CY-1-17-18

Historical Society Newsletter, No.1/1984

| 1984 | Historical Society Newsletter, No.1/1984 | Typescript

118. Reference : CY-1-17-19

Official document: History of Lopburi, second seminar

| 1984 | Official document: History of Lopburi, second seminar (December 18, 1984) | Typescript

119. Reference : CY-1-17-20

Official document: order for a Souvenir book of the 50th anniversary of the Royal Institute

| 1984 | Official document: order for a Souvenir book of the 50th anniversary of the Royal Institute (March 7, 1984) | Typescript

120. Reference : CY-1-17-21

Official document: Invitation for meeting of the Committee for Historical Document Publication 5/1983

| 1984 | Official document: Invitation for meeting of the Committee for Historical Document Publication 5/1983 (January 20, 1984) | Typescript