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Author/Creator
- Abbott, William H1
- Abbott, William H.1
- Abcor, Inc. Walden Research Division2
- Abele, Eberhard1
- Abt Associates3
- Abu-Rokaya, Najib1
- Acchar, Wilson1
- Ad Hoc Task Force for Decentralized Wastewater Management2
- Adams' Patent Sewage Lift Co1
- Ade, Avinash B.1
- Adeney, Walter Ernest, 1857-1
- Advanced Waste Treatment seminar (1967 : Osaka)1
- Agathos, Spiros N.1
- Akādīmīyat al-Baḥth al-ʻIlmī wa-al-Tiknūlūjiyā1
- Akron (Ohio). Sewage Testing Station2
- Al Baz, Ismail1
- Albiac-Murillo, José1
- Alimuddin, Salim1
- Allen, James B.1
- Allen, Kenneth, 1857-19302