sum clitic doubling spanish linguist readers weeks ago posted query clitic doubling spanish received useful response would like thank jairo morais nunes alan huffman josemina magdalen philip elliot jelly julia de jong jerzy kowal joel nevis cynthia vakareliyska jose miguel gon menayo almeida jacqueline toribio david gohre dan everett best regards rocio rocio jimenez rjimenez mailbox syr edu andrews unification morphological blocking nllt 8 4 1990 pp 507557 borer hagit parametric syntax case studies semitic romance languages dordrecht holland foris publications 1984 bresnan joan sam mchombo 1987 topic pronoun agreement chiche language 63 4 741782 bresnan joan lioba moshi 1990 object asymmetries comparative bantu syntax linguistic inquiry 21 2 147186 franco jon andoni object agreement spanish dissertation university southern california 1993 garcia erica role theory linguistics analysis spanish pronoun system amsterdam north holland publishing company 1975 grimshaw jane 1982 subcategorization grammatical relations zaenen ed bloomington ind indiana university linguistics club issues theory romance linguistics selected papers linguistic symposium romance languages xxiii 1993 georgetown university press washington dc jaeggli osvaldo topics romance syntax dordrecht holland foris publications 1982 montalbetti mario 1981 consistency clitics ms massachusetts institue technology roberge yves syntactic recoverability null arguments mcgill queen university press 1990 sunner nllt 6 1988 vakareliyska cynthia na drop bulgarian journal slavic linguistics 2 1 121150 1994