eUCLid is UCL's library computer system. One of its main facilities is the online catalogue for many of the books and periodicals held by the Library.

• What's included on eUCLid
• Access to eUCLid
• Searching eUCLid
• Borrowing, renewing & reserving
• Other libraries

The catalogue covers:

• items catalogued, or recatalogued, since 1982
• books on order
• all current periodicals

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eUCLid can be used on dedicated terminals within the Library, or from any networked terminal with a web browser (Netscape Navigator 4.04 + or Internet Explorer 5 +). The web address for the catalogue is http://library.ucl.ac.uk/.

There are several ways to search:

This allows you to find books etc. with keywords as all parts of the catalogue are searched. If you are looking for a particular work, a good way to do it is to include just two or three significant elements in your search e.g. darwin voyage beagle.

To search for phrases you can use quotation marks e.g. "transport economics" or by selecting the 'Yes' option alongside 'Words together?'.

The 'All types' option searches the whole catalogue or you can limit your search to a particular type of material e.g. Audiovisual.

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This option is also based on keyword searching, but more structured search capabilities are available. You can choose specific parts of the catalogue to search for a particular work e.g. dickens as author, combined with tale two cities as title keywords.

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This enables you to scroll through an alphabetical list of your choice. It is recommended for finding particular authors, and books by title if you do not know the author.

If you are looking for a specific title e.g. tale of two cities type this into the 'Browse for' box and select 'Title beginning with' from the list below. Note that you can leave the last word incomplete with this sort of search, particularly if you are unsure of the spelling e.g. introduction to optimi if you don't know whether it is optimization or optimisation.

Authors' names may be spelled in a variety of different ways, particularly when they have been transliterated from another script e.g. from Cyrillic into the Latin alphabet. Browsing the Author index will enable you to find the main record for the person in question which links to a complete list of their books, regardless of how the name has been spelled.

e.g. Dostoevskii, F
See: Dostoeyevsky, F

You are advised to use Browse when searching for a particular journal e.g. science. If the title begins with The, omit this from your search.

To browse subjects, enter your topic in the 'Browse for' box e.g. stars and select 'Subject' from the list below. After submitting your search you are presented with a list of subject headings and sub-headings and by clicking on one of these you can see a list of books on the subject.

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You can use Common Command Language (CCL) to search for words and headings in several different indexes at once. You must specify the code of the word and the heading indexes to be searched. The abbreviations used in CCL can be found in the following CCL code section.

Here is an example: ((wau=carlyle or ruskin or hegel) and (wti=cultur?)) not (wsu=art?)

This search finds anything written by individuals named Carlyle or Ruskin or Hegel with a word beginning with cultur e.g. culture, cultures, cultural etc. in any title which has not been assigned a subject beginning with the word art e.g. art, arts, artist, artistic etc.

Valid CCL codes are as follows:

WRD - Words anywhere
WTI - Words in title field
WAU - Words in author field
WJT - Words in journal title field
WSU - Words in subject field
WLC - Classmark
WIS - ISBN / ISSN
WPU - Words in publisher field
WPL - Words in place of publication field

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Boolean operators (AND, OR, NOT) may also be used to combine several terms in one search. In a 'Quick Search' the catalogue automatically looks for words which appear together i.e. there is an implied Boolean AND so if you wish to find books about e.g. a country which may have had different names over time you need to use OR as in the following example:

zimbabwe or rhodesia

If you choose Yes for 'Words together?' where this option is available, you can type in the phrase computer programming and the system will understand that you want only records that have the word computer NEXT to the word programming.

You can use truncation if you want to pick up singular and plural words and anything that follows on from the root e.g. politic* will pick up politics, political, politicians and so on. This also works the other way around e.g. *phobia will retrieve agoraphobia, claustrophobia etc.

You can use a question mark as a wild card to mask characters e.g. wom?n which will retrieve records with woman or women and you can do the same if you are unsure of spelling in words such as optimi?ation, analy?ing, organi?ation, colo?r or want to pick up examples of both American and English spellings. This is particularly useful to account for spelling mistakes in reading lists and citations. You can also use this with authors e.g. eri?ksen places issues while typing iraq* arch?eolog* into the 'Quick Search' box will find all records with the words Iraq OR Iraqi AND archaeology, archeology, archaeological, archeological in any field.

To find phrases you can use quotation marks e.g. "transport economics" so if you type "organi?ational behavio?r" into the 'Quick Search' box this will be looked for as a phrase including English and American spellings.

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The maximum number of results displayed is 1000.

A list of records is displayed as a result of a search or by browsing. To see the results of earlier searches you can select 'Previous Searches'.

Various actions may be performed on a list of records such as filtering or e-mailing.

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In the Full View, you have the option to see the record in a variety of formats which change the tags from standard ALEPH tags to name tags or alphanumeric tags. The card catalog style may also be selected.

The Full View has links that allow you to jump to:

• A Browse List
• Other, similar records, for example, other records that share the same subject
• Holdings information
• External files, such as an electronic journal

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Holdings information is available by clicking through from the 'Classmark'. A list of items will then be displayed. You may click on an item in the list to make a reservation request if it is on loan or to request it from Store if that is where it is located.

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