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Your search for [author]Leon, Sixto O. de. returned 18 records. |
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The Jamila story.
by De Leon, Sixto O.; Quezon City: Don Sergio N. Jamila, Sr. Foundation, 1990.
Subject: Jamila, Sergio N; Jamila family; Philippines. -- Army -- Biography; Businessmen -- Philippines -- Biography; Philippines -- History; Private security services -- Philippines -- History.
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"Barrio yesterthoughts" : boyhood memoirs in the old barrio.
by De Leon, Sixto O.; Quezon City: RSB Enterprises, 1997.
Subject: Country life -- Anecdotes -- Philippines; Farm life -- Anecdotes -- Philippines; Philippine essays (English).
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Barrio yesterthoughts : boyhood memories in the old barrio.
by De Leon, Sixto O.; Quezon City: RSB, 1997.
Subject: Philippine essays (English).
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Security guard's manual.
by De Leon, Sixto O.; Quezon City: JMC Press, 1979.
Subject: Surety of the peace -- Philippines -- Handbooks, manuals, etc.
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Police and law enforcement communications handbook.
by De Leon, Sixto O.; Quezon City: JMC Press, 1974.
Subject: Police communications systems.
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Police primer : a source book on police science.
by De Leon, Sixto O.; Manila: National Book Store, 1984.
Subject: Police -- Philippines -- Handbooks, manuals, etc; Police -- Law and legislation -- Philippines.
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Security : defense against crime.
by De Leon, Sixto O.; [Manila]: National Book Store, 1976.
Subject: Crime prevention surveys; Industries -- Security measures.
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Police laws and decrees with letter of implementation no. 21.
[Manila: National Book Store], 1975.
Subject: Police -- Philippines.
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Police intelligence guide.
by De Leon, Sixto O.; [Manila]: National Book Store, 1978.
Subject: Intelligence service -- Philippines; Police -- Philippines.
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Police code.
by De Leon, Sixto; Manila: National Book Store, 1975.
Subject: Police - Philippines.
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