Letter from E.A. Tinbergen to her husband's family written just before sailing for Greenland (postmark on envelope, Copenhagen, 10 July 1932); three family letters from the Tinbergens, on board the 'Gertrud Rask', 10, 14 and 19 July 1932; postcard from T. van Lohuizen to the Tinbergen family, The Hague, 23 July 1932.

Postcard to Tinbergen's father, The Hague, 4 August 1932; two family letters from Greenland, 16 August [1932] and ?14 September 1932; letter from T. van Lohuizen to Tinbergen's father, The Hague, 26 August 1932; contents of envelope addressed to Tinbergen's father: letter from the Grønlands Styrelse, Copenhagen, 12 September 1932 and draft reply, 29 October 1932 (both in Danish), and draft letter of thanks for forwarding a letter 'from our children in Greenland' (in English).

Telegram, letter and 'brief-telegram' from Greenland dated 5, 6 and 24 October 1932; letter from Danish captain E. Mikkelsen to Tinbergen's mother, 17 October 1932 (in Danish with Dutch translation) and draft reply dated 30 October 1932 (in Danish); two draft letters from Tinbergen's mother to Scottish trawler captains, 29 October and 11 November 1932 (in English).

Letter from Captain W. McPherson to Tinbergen's mother, Aberdeen, 4 November 1932; postcard from the Grønlands Styrelse, Copenhagen, 9 November 1932; letter from Tinbergen to his family, 23 August 1932 (delivered in an envelope postmarked Copenhagen 18 November 1932 and stamped Grønlands Styrelse); 'Brief-Telegram ontvangen 22-11-'32'.

Letter from E.A. Tinbergen's mother in Cuba to N. Tinbergen's mother, 15 January 1933; telegrams from Greenland, 21 January, 4 February, 11 February, 11 April and 27 April 1933.

Telegram from Greenland dated 10 June 1933; letter from E.A. Tinbergen's mother to N. Tinbergen's mother, Cuba, 28 June 1933; letter from daughter of Captain Watson to Tinbergen's father, Aberdeen, 3 July 1933; letter from Greenland, 4 August 1933; letter from Captain Watson to Tinbergen's parents, 25 August 1933.

MS. notes, sketch map, photographs etc., found with the Greenland correspondence.

Contents of a ring binder: contents list, typescript copies of letters, journal, list of birds, sketchmaps, drawings, MS. notes, and copies of cables and radio messages exchanged. The typescript journal, 14 July 1932 - 10 July 1933, is paginated 1-312. There are some marginal notes and underscorings and there is a loose page of notes between pages 199 and 200. Pages 271-275 are mispaginated 171-175.