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izlaidumi no Albert Leffingwell

Cover for Albert Leffingwell · Leffingwell Record, 1637-1897 : A Genealogy of the Descendants of Lieut. Thomas Leffingwell, One of the Founders of Norwich, Conn (Paperback Book) (2024)

Leffingwell Record, 1637-1897 : ... (2024)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem; Or, Sidelights upon Scientific Experimentation on Man and Animals (Paperback Book) (2021)

An Ethical Problem; Or, Sideligh... (2021)

Albert Leffingwell

Cover for Albert Leffingwell · Vivisection (Paperback Book) (2021)

Vivisection (2021)

Albert Leffingwell

Cover for Albert Leffingwell · The Leffingwell Record, 1637-1897 : A Genealogy of the Descendants of Lieut. Thomas Leffingwell, One of the Founders of Norwich, Conn (Classic Reprint) (Paperback Book) (2018)

The Leffingwell Record, 1637-189... (2018)

Albert Leffingwell

Cover for Albert Leffingwell · Vivisection (Paperback Book) (2017)

Vivisection (2017)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem (Paperback Book) (2017)

An Ethical Problem (2017)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem (Paperback Book) (2016)

An Ethical Problem (2016)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem (Paperback Book) (2016)

An Ethical Problem (2016)

Albert Leffingwell

Cover for Albert Leffingwell · Vivisection (Paperback Book) (2015)

Vivisection (2015)

Albert Leffingwell

Cover for Albert Leffingwell · Vivisection (Paperback Book) (2015)

Vivisection (2015)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem (Paperback Book) (2015)

An Ethical Problem (2015)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem Or, Sidelights Upon Scientific Experimentation on Man and Animals (Paperback Book) (2013)

An Ethical Problem Or, Sidelight... (2013)

Albert Leffingwell

Cover for Albert Leffingwell · Does Science Need Secrecy? (Paperback Book) (2013)

Does Science Need Secrecy? (2013)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem Or, Sidelights Upon Scientific Experimentation on Man and Animals (Tredition Classics) (Paperback Book) (2012)

An Ethical Problem Or, Sidelight... (2012)

Albert Leffingwell

Cover for Albert Leffingwell · Illegitimacy ; And, the Influence of Seasons Upon Conduct: Two Studies in Demography. (Paperback Book) (2010)

Illegitimacy ; And, the Influenc... (2010)

Albert Leffingwell

Cover for Albert Leffingwell · American Meat and Its Influence Upon the Public Health (Paperback Book) (2010)

American Meat and Its Influence ... (2010)

Albert Leffingwell

Cover for Albert Leffingwell · An Ethical Problem (Paperback Book) (2009)

An Ethical Problem (2009)

Albert Leffingwell