This library is built in the open.
If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.

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This is a digital copy of a book that was preserved for generations on library shelves before being digitized by Google as part of a project to make the world’s books available online.
It has survived long enough to no longer be protected by copyright and has entered the public domain. A public domain book is a book that was never protected by copyright or whose legal copyright terms have expired. The classification of a book as public domain can vary from country to country. Public domain books are links to the past. They represent a heritage of history, culture, and knowledge that is often difficult to discover.
Comments, notes, and other marginal annotations present in the original volume will appear in this file. These markings serve as a testimony to the long journey the book has taken, from the original publisher to the library, and finally to you.
Google is proud to partner with libraries to digitize public domain materials and make them universally available. Public domain books belong to the public, and we are merely their custodians. However, this work is costly. Therefore, to continue offering this service, we have taken steps to prevent illicit use by commercial entities. These steps include restrictions on automated queries.
We also ask that you:
Do not use these files for commercial purposes We designed Google Book Search for use by individual private users. We ask that you use these files for personal use and not for commercial ends.
Do not send automated queries Do not send automated queries of any kind to Google. If you are conducting research in the fields of machine translation, optical character recognition original: "OCR", or other areas where you need to use large amounts of text, please contact us. We encourage the use of public domain materials for these purposes and might be able to help.
Keep the watermark The Google "watermark" that appears in each file is essential for informing users about this project. It helps them find additional materials through Google Book Search. Do not remove it.
Use the material legally Regardless of your usage, remember that it is your responsibility to ensure your use is legal. Do not assume that because a book is in the public domain for users in the United States, it is also in the public domain for users in other countries. The criteria for determining if a book is protected by copyright vary by country. We cannot offer guidance on whether a specific use of the book is permitted. Do not assume that because a book appears in Google Book Search, it can be used in any way in any country. Penalties for copyright violations can be severe.
Google's mission is to organize the world's information and make it universally accessible and useful. Google Book Search helps readers discover books from all over the world. It allows authors and publishers to reach a wider audience. You can search the full text of this book on the web at http://books.google.com
digital copy, digitized, copyright, public domain, historical heritage, Google Book Search, automated queries, OCR (Optical Character Recognition), watermark