'Harkness Family': comprises letters from Katharine Harkness [sister of HMC], and John and Ursula Harkness [nephew and niece respectively of HMC]. The letter from John Harkness is undated, but 1935 is appropriate. He writes a long and informative letter from Denmark about culture, housing projects, and the political situation [as it was emerging pre World War II].

'Oct 1938 - letters to keep': comprises letters from 'Peter' [Petronella (?) Neville Smith], John [Harkness], Katharine [Harkness], Roger [Harkness], 'Diffy' [Edith Cam], Mother [Kate Cam], and A[vice Cam].

'Keep pro tem': comprises letters from family and others, including Mother [Kate Cam], A[vice Cam], Roger [Harkness], Eugenie de Kalb, Kathy [Katharine Harkness], 'Diff' [Edith Cam], 'Peter' [Petronella (?) Neville Smith], Elsa Young, John [Harkness], Mildred Catterns, and George Appleton.

'Answered Aug-Sep-Oct 1939': chiefly non-family (see composite name index to the catalogue for names of individual correspondents), also Roger [Harkness], Mother [Kate Cam], Katharine [Harkness], Ruth [Cam], and Avice [Cam].

Family: comprises letters from Marjorie [Cam], 'Diffie' [Edith Cam], Mother [Kate Cam], Bill [William Cam], Norah [Cam], Katharine [Harkness], Ursula [Harkness], Margaret Jenner, and A[vice Cam], the majority being from Edith and Kate Cam.

Family and Non-family: family correspondents include John [Harkness], Polly [niece of HMC], A[vice Cam], 'Diffie' [Edith Cam], Katharine [Harkness], and Mother [Kate Cam]. See composite name index to the catalogue for names of individual non-family correspondents. File is in alphabetical order, with family correspondents at the end.

'Harkness': comprises letters from Katharine, Ursula, John, Nicholas and Roger [Harkness].

'Harkness': comprises letters from Katharine, Rachel, Roger, Ursula and John [Harkness].

'Family': comprises letters from Mother [Kate Cam], A[vice Cam], 'Diffy' [Edith Cam], Marjorie [Cam] and Elizabeth, Norah [Cam], and Katharine, Ursula, Rachel, John and Roger [Harkness].

'Harkness': comprises letters from Kathy [Katharine Harkness], and Ursula, Roger, Rachel and John [Harkness].

'Harkness': comprises letters from Katharine, Rachel, John, Roger and Ursula [Harkness].

'Family letters Sep 1948 - Sep 1949': comprises letters from Avice, 'Diff' [Edith], Kate [Mother], Marjorie, Norah, and William [Cam]; also Katharine, John, Rachel and Roger [Harkness]; Margaret Jenner; and Norah Landells.