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Report of 1915 Legislature Committee on Mental Deficiency and the Proposed Institution for the Care of Feeble-minded and Epileptic Persons
California Legislature Committee On, Walter E Fernald State School Howe, Fred C Nelles
Häftad. Legare Street Press, 2021.
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Gitlow V. People of State of New York U.S. Supreme Court Transcript of Record with Supporting Pleadings
Walter Nelles, Additional Contributors, U S Supreme Court
Häftad. Gale, U.S. Supreme Court Records, 2011.
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Self Active Play
Marcia L Nell, Walter F Drew Ed D
Häftad. Institute for Self Active Education, USA, 2021.
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From Play to Practice
Marcia L Nell, Walter F Drew, Deborah E Bush
Häftad. National Association for the Education of Young Children, USA, 2013.
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Risiko und Versicherungstechnik
Walter Karten, Martin Nell, Andreas Richter, Jrg Schiller
Häftad. Springer Gabler, Tyskland, 2017.
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