6 March 1926
81 Harley Street, London

Dear Professor,

Very many thanks for the latest book.1 It will create general gratitude to you for writing it and joy at the proof of your continued energy. I have read it through rapidly and will record a few of my first impressions, which will of course be deepened later.

I do not think I ever enjoyed a book of yours more, which is saying very much indeed, as you must know. It is exactly the kind of book of yours that gives me a special pleasure, with that fine dissection of clinical findings, the constant clarifying of confused issues, and the repeated emerging of useful generalisations. I could not refrain from thinking also how Abraham would similarly have delighted in it. One misses him at every moment.

Have you noticed how your last four or five books have regularly alternated in style ? One very abstruse and difficult is followed by one easy and