[020-28] A Modification of the Kjeldahl Nitrogen Procedure
A Modification of the Kjeldahl Nitrogen Procedure Author: Frisbie, R.L.
[020-27] Standardization of Acids with Carbonates and with Bicarbonates
Standardization of Acids with Carbonates and with Bicarbonates Author: Ransom, James H.
[020-26] The Evolution of the Incandescent Lamp
The Evolution of the Incandescent Lamp Author: Herron, James C.
[020-25] The Separation of Old Ytterbium from Gadolinite
The Separation of Old Ytterbium from Gadolinite Author: Currens, Fred H.
[020-24] The Fluorecence Microscope
The Fluorecence Microscope Author: Challis, Frank E.
[020-23] Cynipid Galls of the Chicago Area
Cynipid Galls of the Chicago Area Author: Weld, Lewis H.
[020-22] The Starling
The Starling Author: Hufford, G.N.
[020-21] A Preliminary Report on an Ecological Problem in the Illinois River Valley
A Preliminary Report on an Ecological Problem in the Illinois River Valley Author: Turner, Lewis M.
[020-19] The Fairy Shrimps of Illinois
The Fairy Shrimps of Illinois Author: Van Cleave, H.J.
[020-18] The Coati
The Coati Author: Givens, H.V.