'Family': comprises letters from HMC's siblings, including A[Avice], Bill [William], 'Diff' [Edith], Walter, Marjorie, and Norah (chiefly Diff and Marjorie).

Family: includes letters from Mother [Kate Cam], Margaret Wise, Diffy [Edith] Cam, A[vice] Cam, Norah Cam, Bill [William] Cam, Walter Cam, Marjorie Cam, the majority being from Kate, Avice and Edith Cam.

Family: comprises letters from Mother [Kate Cam], 'Diff' [Edith Cam], Norah Cam, Marjorie Cam, Bill [William Cam], A[vice Cam], Ruth [Cam - sister-in-law of HMC], and nephews and nieces , the majority being from Kate, 'Diff' and Norah Cam.

Family: comprises letters from A[vice Cam], Mother [Kate Cam], Bill [William Cam], Marjorie [Cam], 'Diffy' [Edith Cam], Norah [Cam], and nieces and nephews and sisters-in-law, the majority being from Kate Cam and Avice Cam.

Family: comprises letters from Marjorie [Cam], Mother [Kate Cam], 'Diff' [Edith Cam], Norah [Cam], Bill [William Cam], A[vice Cam], and nephews and nieces, the majority being from Kate and Edith 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 to Mother Cam': comprises letters from Norah, Helen, Marjorie, Ruth and Bill [William] Cam to Kate Cam.

'Close family: Mother, Diff etc': comprises letters mostly from Mother [Kate Cam] and 'Diffie' [Edith Cam]; also from Marjorie [Cam], Norah [Cam], A[vice Cam], and Bill [William Cam].

'Miscellaneous family': comprises letters from A[vice Cam], 'Diff' [Edith Cam], Norah [Cam], Marjorie [Cam], and nieces.

'Family': comprises letters from A[vice Cam], Mother [Kate Cam], 'Diff' [Edith Cam], Marjorie [Cam] and Elizabeth, Ruth [Cam], Norah [Cam], and Bill [William Cam] and Peggy [Cam].

'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].

'Family': comprises letters from A[vice Cam], 'Diff' [Edith Cam], Marjorie [Cam] and Elizabeth, Norah [Cam], and Ruth [Cam].

'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.

Letters to HMC from Norah Cam [sister of HMC]. 26 letters, many written from Hudson Heights, Canada.

1 telegram (1940) and 2 letters (1942) to HMC from Norah Cam [sister of HMC], addressed from Hudson Heights, Canada.