A descriptive catalogue of the first series of the works of the Camden society: stating the nature of their principal contents, the periods of time to which they relate, the dates of their composition, their manuscript sources, authors, and editors. Accompianied by a classified arrangement and an index, and by some illustrative particulars that have arisen since their publication.

Mode of access: Internet.

Plotinos : complete works, in chronological order, grouped in four periods : with biography by Porphyry, Eunapius, & Suidas, commentary by Porphyry, illustrations by Jamblichus & Ammonius, studies in sources, development, influence; index of subjects, thoughts and words /

Paged continuously.

Federal employees : OPM data do not identify if temporary employees work for extended periods : report to Congressional Requesters /

"GAO-02-296."

History of natural philosophy from the earliest periods to the present time ...

Mode of access: Internet.

The Thousand Islands of the River St. Lawrence : with descriptions of their scenery as given by travellers from different countries at various periods since their first exploration, and historical notices of events with which they are associated /

Includes bibliographical references and index.

Lives of the British admirals: containing also a new and accurate naval history, from the earliest periods.

Slip of "Notice to the reader" inserted: v. 7.

The Massachusetts civil list for the colonial and provincial periods, 1630-1774. Being a list of the names and dates of appointment of all the civil officers constituted by authority of the charters, or the local government.

Includes civil list for Plymouth colony: p. 35-40.

Annals of music in America; a chronological record of significant musical events, from 1640 to the present day, with comments on the various periods into which the work is divided.

Mode of access: Internet.

Life in Khaki; Accent on Army; a Narration of Human Interest Army Stories Designed for 5, 10 or 15-Minute Periods

Mode of access: Internet.

The later periods of Quakerism,

Mode of access: Internet.

Cold periods and coronary events: an analysis of populations worldwide

Study objective: To investigate the association between cold periods and coronary events, and the extent to which climate, sex, age, and previous cardiac history increase risk during cold weather. Design: A hierarchical analyses of populations from the World Health Organisation's MONICA project. Setting: Twenty four populations from the WHO's MONICA project, a 21 country register made between 1980 and 1995. Patients: People aged 35 - 64 years who had a coronary event. Main results: Daily rates of coronary events were correlated with the average temperature over the current and previous three days. In cold periods, coronary event rates increased more in populations living in warm climates than in populations living in cold climates, where the increases were slight. The increase was greater in women than in men, especially in warm climates. On average, the odds for women having an event in the cold periods were 1.07 higher than the odds for men (95% posterior interval: 1.03 to 1.11). The effects of cold periods were similar in those with and without a history of a previous myocardial infarction. Conclusions: Rates of coronary events increased during comparatively cold periods, especially in warm climates. The smaller increases in colder climates suggest that some events in warmer climates are preventable. It is suggested that people living in warm climates, particularly women, should keep warm on cold days.

Dark periods and revivals of entanglement in a two-qubit system

In a recent paper Yu and Eberly [Phys. Rev. Lett. 93, 140404 (2004)] have shown that two initially entangled and afterward not interacting qubits can become completely disentangled in a finite time. We study transient entanglement between two qubits coupled collectively to a multimode vacuum field, assuming that the two-qubit system is initially prepared in an entangled state produced by the two-photon coherences, and find the unusual feature that the irreversible spontaneous decay can lead to a revival of the entanglement that has already been destroyed. The results show that this feature is independent of the coherent dipole-dipole interaction between the atoms but it depends critically on whether or not collective damping is present.