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Satirical comment on a review by Paul Weiss of the manuscript of 'Analysis of Development'., Typewritten carbon copy on yellow paper., Correspondence

Handwritten, a letter in German, 6 pages, Correspondance

Handwritten, a letter in German, 2 pages, Correspondance

4 black and white photographs of chick limb bud development. Stage 29. The limb buds have been removed from the embryo and are placed on a black background. The image on the top left is of only a wing bud at stage 29., At least one of these photos were used for the images in Hamburger, Viktor, and Howard L. Hamilton. "A series of normal stages in the development of the chick embryo." Journal of morphology 88, no. 1 (1951): 49-92. However, in the final publication, the photos of limb buds were placed beneath photos of the whole chick embryo at their given stage., Photographs

3 micrographs and 2 hand drawn images of chick somite development. Top left shows a piece of a transverse section of a stage 10 chick embryo. Middle top and bottom shows a close up of the somite (transverse section). Right top and bottom are hand drawn images of cells in the somites., Illustrations

7 micrographs showing the results of chick limb transplantation, The micrographs have been labelled with numbers and hand drawn notes indicating different bones (fe=femur, t=tibia, f=fibula, c=clavicle, s=scapula). The images have been pasted onto a sheet of cardstock, which has various pencil markings., Photographs

13 black and white photographs of different stages of chick limb bud development. The limb buds have been removed from the embryo and are placed on a black background. Stages 23 through 35 are pictured. Wing buds are pictured on top, leg buds on the bottom., These photos were used for the images in Hamburger, Viktor, and Howard L. Hamilton. "A series of normal stages in the development of the chick embryo." Journal of morphology 88, no. 1 (1951): 49-92. However, in the final publication, the photos of limb buds were placed beneath photos of the whole chick embryo at their given stage., Photographs

4 black and white photographs of different stages of chick development (whole embryos). Stages 12, 13, 14, and 22 are shown., These photos were used for the images in Hamburger, Viktor, and Howard L. Hamilton. "A series of normal stages in the development of the chick embryo." Journal of morphology 88, no. 1 (1951): 49-92., Photographs

Hand drawn sketch of chick embryo (4.5 days incubation) and the development of the wing and limb buds. Also hand written notes about the stage of the embryo and the differences between it and other stages., Drawn in pencil, Illustrations

10 black and white photographs of transverse sections through various stages of chick embryos. The bright white oval in the center of each section is the central canal of the developing chick's neural tube. The photographs are arranged so that dorsal is up., handwritten notes about image sizing along the sides of the images., Photographs

Hand drawn sketches of early-stage chick limb bud development along with hand written notes about the embryo., Drawn in pencil, Illustrations

Hand drawn illustration showing how to transplant limb buds in a 36-somite stage (3 days of incubation) chick., Hamburger has drawn and labelled various pieces of anatomy and the equipment necessary to complete the procedure., Drawn in pencil on blank paper, mounted on cardboard. Signed in black ink by Viktor Hamburger, Univ. of Chicago, Illustrations

Hand drawn illustration of the outcome of chick limb bud transplantation, The limb of the "transplant" and "left leg of donor" are shown as a result of the transplantation experiment, Drawn and parts labelled in ink, shaded in pencil. The titles of the two specimens have been typed., Illustrations

Hamburger accepts Lillie's offer of a place to stay and details his time at the National Institutes of Health in Bethesda, Handwritten letter; good condition, 2 pages, Correspondence

Outline of laboratory work for Experimental Embryology course, Typewritten document; good condition, 1 page, Notes

Lillie recommends that Hamburger retrieve Popoff book from library and looks forward to seeing Hamburger in Woods Hole, Typewritten letter; good condition, 1 page, Correspondence

Comments on embryonic segregation, Typewritten letter; good condition, 1 page, Correspondence

Notes and list written in German, Handwritten letter; good condition, 1 page, Notes

Handwritten, a letter in German, 2 pages, Correspondance

Handwritten, a letter in German with an image, 4 pages, Correspondance

Typewritten, a letter in German, 1 page, Correspondance

Handwritten, a letter in German, 1 page, Correspondance

Handwritten, a letter in German, 4 pages, Correspondance

Handwritten, a letter in German, 4 pages, Correspondance

Typewritten, Viktor Hamburger writing about pear-shaped cells and microfilaments, 2 pages, Correspondance

Handwritten, a letter from George Wellford Taylor to Viktor Hamburger, handwriting illegible, 6 pages, Correspondance

Handwritten, a letter in German, 2 pages, Correspondance

Handwritten, a personal note from an unknown sender to Viktor Hamburger, 2 pages, Correspondance

Handwritten, letter discussing an upcoming trip Hall and Hamburger will take to an island, Hall's reading, and some details from Hall's personal life, 5 pages, Correspondance

Typewritten, a transcript of Susan E. Mehrtens interviewing Viktor Hamburger for the Dr. Francis O. Schmitt Oral History of Neuroscience Project, 16 pages, Transcript

Handwritten, three envelopes addressed to Viktor Hamburger from Hans Spemann, 3 pages, Correspondance

Typewritten, a letter in German, 1 page, Correspondance

Handwritten, John Philip Trinkaus writing to Hamburger about returning from a Woods Hole seminar and getting back to work, 2 pages, Correspondance

Handwritten, Viktor Hamburger writing to H. Thoenen about NGF, 2 pages, Correspondance

Typewritten, a letter in German, 1 page, Correspondance