1983 Jun 28-Jul 18
1983 Boma hostage crisis: ACROSS minutes, memoranda and transcripts of negotiations, with other papers. See also under Section 2. Audio Material.
Eleven western hostages were taken by soldiers of the Liberation Front of Southern Sudan on 23 June; all were freed after a military operation by the Sudanese Army on 8 July. The hostages were: John Haspels (missionary, ACROSS), Gwen Haspels (missionary, ACROSS), their children Desta Haspels, Charles Haspels, John Haspels, Willem Noort (nurse, ACROSS), Conrad Aveling (zoologist, Frankfurt Zoological Society), Alois Psheidt (mechanic, Frankfurt Zoological Society), Martin Overduin (pilot, Sight by Wings), Bruce Riggins (pilot, Africa Inland Mission AIR), Ron Pontier (pilot, AIM AIR)

1983
ACROSS 1983 AGM minute of agenda item concerning the Boma hostage crisis and response, including a copy of an Arabic note from the hostage takers
Language: English; Arabic

1983 Aug
ACROSS newsletter, with account of the Boma incident by hostage John Haspels

1983 Jun 28-Jul 18
Audio tapes of radio negotiations between ACROSS staff at Juba and the Boma group:
Digitised copies at SAD.D63/1-5
5 audio cassettes
Language: English

[1984] Oct 20
Test transmission of Radio SPLA, recorded in Juba, then broadcast on 9.610 MHz every day 13:00-14:00 GMT; with covering note from Tony [Land] (ACROSS) to Charles [Wilson]
1 audio cassette

2018 Dec 20
Order of service for the funeral of Charles Wilson at Moorland Park Methodist Church

[2021]
Summary of the Boma incident by Clive Wilson, son of Charles Wilson, providing information on the participants, clandestine American involvement in the rescue operation, and contemporary news cuttings

[1988]
Charles Wilson, seated at desk on the phone at Mission Aviation Fellowship office, Ingles Manor, Folkestone

[1990s]
Charles Wilson, head and shoulders portrait

1976
Sudan, sheet 3. Sudan Survey Department. Topo no. S 741 - 46. Southern Sudan, showing provincial and international boundaries, major areas developed for irrigation, mechanised crop production schemes
scale:   1 : 2,000,000

1976
Sudan, sheet 3. Sudan Survey Department. Topo no. S 741 - 46. Southern Sudan, showing provincial and international boundaries, major areas developed for irrigation, mechanised crop production schemes.
Annotated to indicate 3 areas of ACROSS operations and local [?population] numbers: Dinka, Moru, lowland and highland Murle, Anuak.
scale:   1 : 2,000,000

1978
Sudan. Sudan Survey Department. Topo no. S 625 - 40
scale:   1 : 4,000,000

1978
Sudan. Sudan Survey Department. Topo no. S 625 - 40
Annotated relevant to ACROSS operational areas
scale:   1 : 4,000,000

1978 Dec
2 keymaps of Sudan and Southern Sudan, and 4 maps of ACROSS programme areas, showing main and seasonal roads, major footpaths, rivers, provincial and district boundaries, villages, road camps, and towns
scale:   [1 : 790600]

1983 Jun-Jul
Photocopied cuttings from British press covering the hostage crisis

1983 Oct
“The hostage story” by Ed Arensen of Africa Inland Mission, Today, Oct 1983 issue, with photographs of John and Gwen Haspels, view from Boma, and Conrad Aveling, Bruce Riggins, Ron Pontier and Marty Overduin.