Soil survey of Clearfield County, Pennsylvania /

"Advance sheets - Field Operations of the Bureau of Soils, 1916."

Soil survey of Mercer County, Pennsylvania /

"Advance sheets--field operations of the Bureau of Soils, 1917".

Reconnoissance soil survey of southeastern Pennsylvania [microform] /

Includes one folded color map.

Annual report.

Reports for 1915/16-1916/17 issued in combined volumes.

Report of the Board of Trustees.

Title varies slightly.

The Aurora.

Mode of access: Internet.

Indexing; principles, rules and examples.

Also issued, with Library school bulletins 20 and 23, as appendix 3, of the State library report for 1905.

Demand-price-trade model of KASM3: technical documentation /

On cover: Korean Agricultural Sector Study.

Diary.

Mode of access: Internet.

Annual report /

Mode of access: Internet.

Report.

Mode of access: Internet.

Laws relating to construction of drains.

Supplements accompany some issues.

Biennial report.

Title varies slightly.

Soil testing : a practical system of soil fertility diagnosis /

Bibliography: p. 28.

The aetiology of infective diseases: with special reference to the subsidiary & important nonspecific factors.

Includes bibliography.