Physics: crystal physics.

Folder A.90. Notes on the literature, index on front page, paginated g0-g51.

Folder A.91. Lectures on "Crystal Physics: selected topics" by W.H. Taylor, Lent and Easter 1946, index on front pages, paginated 0g-101g.

Folder A.92. Lectures on "Fourier methods" by H.D. Megaw, Lent 1948, index on front page, paginated 102g-147g.

Folder A.93. Lectures on "Some properties of the reciprocal lattice", by W. Cochran, Lent 1950, paginated 148g-179g.

Philosopy and scientific method.

Folder A.94. Notes on the literature (made in last terms at school 1936) paginated h1-h23.