Early Focus

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The Lancet

The Lancet written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1941 with Medicine categories.

Foundation Focus

Foundation Focus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with European Union countries categories.

The Universal Cyclopaedia

The Universal Cyclopaedia written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1900 with Encyclopedias and dictionaries categories.

Nature S Altars

Nature S Altars written by Susan R. Schrepfer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Nature categories.

Book Review

Hell On Wheels

Hell On Wheels written by David Blanke and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with History categories.

A fascinating look at the rise and growing popularity of the automobile during the first half of twentieth-century America, which brought with it a dark undercurrent. On the one hand, Americans embraced the newfound sense of freedom and mobility embodied by the automobile; on the other, they grew increasingly anxious about and fearful of the enormous threat that cars--and car accidents--posed to public safety.

Secret Messages

Secret Messages written by David J. Alvarez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with History categories.

To defeat your enemies you must know them well. In wartime, however, enemy codemakers make that task much more difficult. If you cannot break their codes and read their messages, you may discover too late the enemy's intentions. That's why codebreakers were considered such a crucial weapon during World War II. In Secret Messages, David Alvarez provides the first comprehensive analysis of the impact of decoded radio messages (signals intelligence) upon American foreign policy and strategy from 1930 to 1945. He presents the most complete account to date of the U.S. Army's top-secret Signal Intelligence Service (SIS): its creation, its struggles, its rapid wartime growth, and its contributions to the war effort. Alvarez reveals the inner workings of the SIS (precursor of today's NSA) and the codebreaking process and explains how SIS intercepted, deciphered, and analyzed encoded messages. From its headquarters at Arlington Hall outside Washington, D.C., SIS grew from a staff of four novice codebreakers to more than 10,000 people stationed around the globe, secretly monitoring the communications of not only the Axis powers but dozens of other governments as well and producing a flood of intelligence. Some of the SIS programs were so clandestine that even the White House—unaware of the agency's existence until 1937—was kept uninformed of them, such as the 1943 creation of a super-secret program to break Soviet codes and ciphers. In addition, Alvarez brings to light such previously classified operations as the interception of Vatican communications and a comprehensive program to decrypt the communications of our wartime allies. He also dispels many of the myths about the SIS's influence on American foreign policy, showing that the impact of special intelligence in the diplomatic sphere was limited by the indifference of the White House, constraints within the program itself, and rivalries with other agencies (like the FBI). Drawing upon military and intelligence archives, interviews with retired and active cryptanalysts, and over a million pages of cryptologic documents declassified in 1996, Alvarez illuminates this dark corner of intelligence history and expands our understanding of its role in and contributions to the American effort in World War II.

Annals Of The Astronomical Observatory Of Harvard College

Annals Of The Astronomical Observatory Of Harvard College written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1899 with Astronomy categories.

Focus On Robert Graves And His Contemporaries

Focus On Robert Graves And His Contemporaries written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Literature, Modern categories.

Johnson S New Universal Cyclop Dia A Scientific And Popular Treasury Of Useful Knowledge

Johnson S New Universal Cyclop Dia A Scientific And Popular Treasury Of Useful Knowledge written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1876 with Encyclopedias and dictionaries categories.

The Journal Of The R Ntgen Society

The Journal Of The R Ntgen Society written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1912 with Radiology categories.