The notebook contains observations made by De la Caille at the Cape and elsewhere; a list of expenses in connection with his observatory at St. Martin (Paris); and details of the mathematical basis for his calculations, including lists of formulae and trigonometrical proofs, used as an aide-memoire during his travels. There are calculations of some star coordinates, apparently made at the Cape, and, most important of all, a calculation of the difference in latitude between the Cape and Klipfontein for his determination of an arc of the meridian.
AAAR - African Academy of Arts and Research. AA-ERA + PHM - African Anti-Expropriation Ratepayers Association and Peoples Housing Movement. AAC - All African Congress. AANC - All African National Convention. ABCFM - American Board of Commissions for Foreign Missions. ABL - African Business League. BM - American Board Mission. ABMA - Abantu-Batho Musical Association. ABOA - Alexandra Bus Owners' Association. ACBC - African Council for Boys Clubs. ACCPWU - African Cement & Cement Products Workers' Union. ADA - African Dingaka Association. ACDWU - African Commercial and Distributive Workers' Union. ADC - African Democratic Council. ADP - African Democratic Party. ADSL - African Domestic Servants' League. AEAW - Association of European and African Women. AES - Army Educational Services. ACPWU - African Can and Power Workers' Union. AHC - Alexandra Health Centre. AIAC - All-In African Conference. AIMC - African Independent Mission Church. AJC - Alexandra Joint Committee. ALAS - African Life Assurance Society. AM - Anglican Mission. AMEC - African Methodist Episcopal Church. AMS - Adams Mission Station. AMWU - African Mine Workers' Union. ANBA - African National Business Association. ANC - African National Congress. ANP - Associated Negro Press, Chicago. ANPC - African National Publishing Company. ANYIL - African National Youth Improvement League. AOWU - African Offices Workers' Union. APDS - African Provident and Development Society. APO - African People's Organization. APS - Aborigines Protection Society. AUCDWC - African United Cultural and Domestic Workers' Club. A(W)HBFWU - African (Witwatersrand) Hotel, Boarding House & Flat Workers' Union. AWU - African Workers' Union. BCHF - Bantu Children's Holiday Fund. BEMEC - Board of Education, Methodist Episcopal Church. BFBS - British & Foreign Bible Society. BFM - Board of Foreign Missions. BMCJ - Bantu Methodist Church of Johannesburg. BMHSS - Bantu Methodist Helping Hand Society. BMSC - Bantu Men's Social Centre. BSC - Bantu Sports Club. BSHS - British Social Hygiene School. BUS - Bantu United School. BWF - Bantu Welfare Fund. BWT - Bantu Welfare Trust. CAA - Council on African Affairs, New York. CAC - Cape African Congress. CAB - Coligny Advisory Board. CRUSC - Crescent Bantu United Sports Club. CCCC - Central Council for the Care of Cripples. CCSA - Christian Council South Africa. CIC - Caledonian Insurance Company. CN-ETU - Council of Non-European Trade unions. CPHS - Central Public Health Service. CPS - Civilian Protective Services. CFSA - Communist Party of South Africa. CRJ - Campaign for Right and Justice. CTSSAC - Cape Town Social Security Action Committee. DNA - Department of Native Affairs. DOAA - Daughters of Africa Association. DOCC - Donaldson Orlando Community Centre. DPIF - Deferred Pay Interest Fund. DTCP - Diocesan Training College, Pietersburg. EAWU - Explosives African Workers' Union. ENT - Eastern Native Township. EPBTNA - Eastern Province Bantu Trained Nurses' Association. ERDBLTA - East Rand District Bantu Lawn Tennis Association. ERSA - East Rand Students' Association. EWFC - East & West Friendship Council. FCCCA - Federal Council of the Churches of Christ in America. FOA - Friends of Africa. GALM - Gremio Africano de Lourenco Marques. GCRC - Good Companions Rover Crew. GGNWF - Governor General's National War Fund. GNF - Gesuiwerde Nasionale Party. GWBTAC - Griqualand West Board of. Executors Trust & Agency Company. HCT - High Commission Territory. IAA - Indian Association of America. ICAA - International Committee on African Affairs. ICYMCA - International Committee of Young Men's Christian Associations. IDAMF(IAMF) - Inter-Denominational African Ministers' Federation. IMC - International Missionary Council. IPAMA - Inter-Provincial African Ministers' Association. IOTT - Independent Order of Trus Templars. JAFA - Johannesburg African Football Association. JBFA - Johannesburg Bantu Football Association. JCEAW - Joint Council of European and African Women. JCN-ETU - Joint Council of Non-European Trade unions. JDSSU - Johannesburg & District Sunday School Union. JHSSW - Jan Hofmeyr School of Social Work. JIMCI - Johannesburg Indian Young Men's Cultural Institute. JISA - Johannesburg Indian Sports Association. JJCEA - Johannesburg Joint Council of Europeans and Africans. JJCEN - Johannesburg Joint Council of Europeans and Natives. JSAP - Junior South African Party. JSSAC - Johannesburg Social Security Action Committee. LABC - Location Advisory Boards Congress. LSHTM - London School of Hygiene and Tropical Medicine. MC - Methodist Church. MCCL - Medical Correspondence College, London. MCSA - Methodist Church of South Africa. MEC - Methodist Episcopal Church. MHSW - Mental Hygiene Society of the Witwatersrand. MLMM - Methodist Laymen's Missionary Movement. MMF - Milbank Memorial Fund. MMIC - Methodist Mission Institution, Clarkebury. MEL - Methodist Men's League. MMS - Methodist Missionary Society. MNA - Minister of Native Affairs. MOH - Medical Officer of Health. MTOA - Motor Transport Owners' Association. NAA - Native Administration Act, 1927. NAACP - National Association for the Advancement of Coloured People. NAC - Native Affairs Commission. NALGO - National Association of Land Government Officers. NAWO - National Anti-Waste Organization. NBRC - National Bank of the Republic of Chicago. NC - Native Commissioner. NCAW - Notional Council of African Women. NCCL - National Council for Civil Liberties. NCCW - National Council for Child Welfare. NCF - Nurses' Christian Fellowship. NCYMCA - National Council of Young Men's Christian Associations. NEFC (AES) - New Educational Fellowship Conference (African Education Section). NEMTEU - Non-European Meat Trades Employees' Union. NEPT - Non-European Progress Trust. NEUM - Non-European Unity Movement. NMC - Native Military Corps. NOIB - Nederlandse Opleidings Instituut voor het Buitenland. NPPC - Native Printing and Publishing Company. NRC - Native Representative Council. NTLB - Native Trust and Land Bill. NUAA - Northwestern University Alumni Association. OFSAHA - Orange Free State African Herbalists' Association. OFSATA - Orange Free State African Teachers' Association. OMWA - Orlando Mothers' Welfare Association. PCN-ETU - Pretoria Council of Non-European Trade Unions. PJCEN - Pretoria Joint Council of Europeans and Natives. PLIC - Public Life Insurance Company. PMCT - Primitive Methodist Churches of the Transvaal. PWF - Public Welfare Foundation, Inc. RABA - Reef Advisory Board Association. RBHA - Rural Bank Health Association. RCSSA - Ramsey County Sunday School Association. RES - Royal Empire Society. RHAWU - Railways and Harbours African Workers' Union. RIE - Royal Infirmary of Edinburgh. SAAFA - South African African Football Association. SABA - South African Association for Burial and Aid. SACC - South African Cultural Club. SACIR - South African Council on Induntria1 Relations. SACWAYWCA - S.A. Council of Word Affiliated Young Women's Christian Associations. SAFSU - Society of Friends of the Soviet Union. SAGCC - South African Gifts and Comforts Committee. SALA - South African Library Association. SAMC - South African Medical Council. SANCU - South African Native Co-operative Union. SANCCW - South African National Council for Child Welfare. SANTF - South African Native Teachers' Federation. SAP - South African Police. SAPA - South African Press Associations. SAR - South African Railways. SARH - South African Railways and Harbours. SASSA - South African Social Security Association. SCA - Students' Christian Association. SMFA - Steward Missionary Foundation for Africa. SSM - Society of the Sacred Mission. SSASA - Social Services Association of South Africa. SSVdeP - Society of St Vincent de Paul. SWA - South West Africa. SWD - South Western Districts. TABC - Transvaal African Boys' Clubs. TAC - Transvaal African Congress. TASA - Transvaal African Students' Association. TATA - Transvaal African Teachers' Association. TATWU - Transvaal African Timber Workers' Union. TBFA - Transvaal Bantu Football Association. TBGU - Transvaal Bantu Golf Union. TBLTU - Transvaal Bantu Lawn Tennis Union. TCN-ETU - Transvaal Council of Non-European Trade Unions. TCPA - The Chiefs and Peoples Association. TED - Transvaal Education Department. TIAMA - Transvaal Inter-Denominational African Ministers' Association. TIC - Transvaal Indian Congress. TI-DMA - Transvaal Inter-Denominational Ministers' Association. TNC - Transvaal Native Congress. TNII - Tuskegee Normal and Industrial Institute. TSCNEB - Transvaal Society for the Care of Non-European Blinds. TVA - Transkeian Voters' Association. TWEA - Transvaal Workers' Educational Association. UDF - Union Defence Force. UEPI - University Examination Postal Institution. USPHS - United States Public Health Service. WAEWF - Welfare of Africans in Europe War Fund. WASU - West African Students' Union. WFDY - World Federation of Democratic Youth. WIAC - Women's International Affairs Club. WMC - Wesleyan Methodist Church. WNT - Western Native Township. WSCF - World Student Christian Federation. WSE - World Service Exhibition. WYWCA - World Young Women's Christian Association. YCL - Young Communist League. ZCA - Zoutpansberg Cultural Association. ZYWCA(Tvl) - Zenzele Y.W.C.A. of the Transvaal.