NBCD - Research Library

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Please refer to 'Search Tips ' below for an explanation of how to use each field.

Document Reference:
Government Department:	(None selected) Home Office (all) War Office (all) Admiralty Air Ministry Board of Trade Cabinet Office Colonial Office Department of Scientific and Industrial Research Foreign Office Government Code and Cypher School Home Office Home Office - Air Raid Precautions Department Medical Research Council Ministry of Aviation Ministry of Munitions Ministry of Supply National Coal Board Transport Department Treasury War Office War Office - Military Intelligence (M.I.10) War Office - Porton Down War Office - Scientific Advisory Council
Subject Heading:	(None selected) Air Raid Precautions/Civil Defence Anti-Gas equipment (Other) Biological weapons/warfare Breathing apparatus Chemical Warfare Organisation Chemical weapons development Collective protection Decontamination Detection, Warning, Monitoring Diving/diving apparatus Examination of Foreign Equipment Fire/rescue Gas masks/Respirators Incendiary/smoke/warfare/weapons Intelligence Manuals/leaflets/publications Medical issues/equipment Mining/mine rescue Nuclear weapons/warfare Offensive operations Pacifism Proliferation/disarmament Propaganda Protective clothing Respirator production Respirator/defensive equipment development Strategy/Tactics Training Training/Research establishments Vehicles Weapons/delivery systems
Keywords:	AND OR NOT
Date Range :	Between AND

Search Tips

The advanced feature allows you to search across multiple fields of the document database. As with the basic search, wildcards are already incorporated into the search fields and quotemarks and boolean operators will not work. The advanced search is also case-insensitive. Any fields not required can be left empty.

Document Reference

This field will allow you to enter either the entire reference (e.g. wo 188/112) if you know it, or just part of it. For example, entering "wo 188" will find all the documents in that class in the database. Entering just "195" will find all WO 195 documents, but also WO 142/195, whereas "/195" will return only the latter reference. The Document Reference field should normally be left blank if using the Government Department list (see below).

Government Department

This drop-down list allows one department to be selected. If using this feature, you do not need to enter any data in the Document Reference field, unless, for example, you want to search for "Porton Down" and filter it by searching for "/195" as part of the individual document number.

The Home Office and War Office have been broken down into their respectives departments and headings - to include them all in your search, select the "Home Office" or "War Office" choices.

Subject Heading

This field is self-explanatory.

Keywords

These two fields allow you to combine search terms/phrases. For example, entering "general service respirator" in the first field, and "haversack" in the second will return more results than just typing "general service respirator haversack" into one field.

The AND/OR/NOT option

This drop-down menu allows you to include or exclude the terms in the second keyword box.

Year

These boxes can used singly or in combination. To find a single year, enter it in both boxes. To find matches between two years, (e.g. 1939 and 1945), enter 1939 in the first box and 1945 in the second. To find all matches before a particular year, enter it in the second box, leaving the first blank. Do the reverse for matches after a specific year.