| LDR | 01605cas a2200409 a 4500 | ||
| 001 | 009816344 | ||
| 003 | MiAaHDL | ||
| 005 | 20110323000000.0 | ||
| 006 | m d | ||
| 007 | cr bn ---auaua | ||
| 008 | 040623d20042008ncubr p 0 a0eng d | ||
| 010 | ⊔ | ⊔ | ‡a 2007204184 |
| 022 | ⊔ | ⊔ | ‡y0199-6045 |
| 032 | ⊔ | ⊔ | ‡a523810 ‡bUSPS |
| 035 | ⊔ | ⊔ | ‡asdr-pst.a2873669 |
| 035 | ⊔ | ⊔ | ‡a(OCoLC)55703256 |
| 037 | ⊔ | ⊔ | ‡bMailbox, P.O. Box 8345, Red Oak, IA 51591-1345 |
| 040 | ⊔ | ⊔ | ‡aJED ‡cJED ‡dOCLCQ ‡dDLC ‡dIUL ‡dUPM |
| 042 | ⊔ | ⊔ | ‡alccopycat ‡alcd |
| 050 | 0 | 0 | ‡aLB1169 ‡b.M263 |
| 082 | ⊔ | 4 | ‡a050 |
| 245 | 0 | 4 | ‡aThe mailbox. ‡pKindergarten-grade 1. |
| 246 | 1 | ⊔ | ‡iIssues for Aug./Sept. 2008-Oct./Nov. 2008 have title: ‡aMailbox. ‡pGrades K-1 |
| 246 | 3 | 0 | ‡aKindergarten-grade 1 |
| 260 | ⊔ | ⊔ | ‡aGreensboro, N.C. : ‡bEducation Center, ‡cc2004-c2008. |
| 300 | ⊔ | ⊔ | ‡a4 v. : ‡bill. ; ‡c27 cm. |
| 310 | ⊔ | ⊔ | ‡aBimonthly |
| 362 | 0 | ⊔ | ‡aVol. 18, no. 4 (Aug./Sept. 2004)-v. 22, no. 5 (Oct./Nov. 2008). |
| 500 | ⊔ | ⊔ | ‡a"The idea magazine for teachers." |
| 500 | ⊔ | ⊔ | ‡aTitle from cover. |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 580 | ⊔ | ⊔ | ‡aSplit into: Mailbox. Kindergarten; and: Mailbox. Grade 1. |
| 650 | ⊔ | 0 | ‡aTeaching ‡xAids and devices ‡vPeriodicals. |
| 650 | ⊔ | 0 | ‡aKindergarten ‡xActivity programs ‡vPeriodicals. |
| 710 | 2 | ⊔ | ‡aEducation Center (Greensboro, N.C.) |
| 780 | 0 | 1 | ‡tMailbox (Primary ed.) ‡w(DLC)sn 89029575 ‡w(OCoLC)11643628 |
| 780 | 0 | 0 | ‡tMailbox (Kindergarten ed.) ‡w(OCoLC)33098135 |
| 785 | 1 | 6 | ‡tMailbox. Grade 1 ‡w(DLC) 2009264013 ‡w(OCoLC)268801130 |
| 785 | 1 | 6 | ‡tMailbox. Kindergarten ‡w(DLC) 2009264012 ‡w(OCoLC)262556082 |
| 787 | 1 | ⊔ | ‡tMailbox. Kindergarten-grade 1 ... yearbook ‡w(DLC) 2007233109 ‡w(OCoLC)61456620 |
| CID | ⊔ | ⊔ | ‡a009816344 |
| DAT | 0 | ⊔ | ‡a20090204083543.0 ‡b20110323000000.0 |
| DAT | 1 | ⊔ | ‡a20120815063803.0 ‡b2024-01-17T01:36:21Z |
| CAT | ⊔ | ⊔ | ‡aSDR-PST ‡dUNKNOWN ‡lloader.pl-001-001 |
| FMT | ⊔ | ⊔ | ‡aSE |
| HOL | ⊔ | ⊔ | ‡0sdr-pst.a2873669 ‡apst ‡bSDR ‡cPST ‡ppst.000055059763 ‡sPST ‡zv.19 2005-06 ‡1a2873669 |
| 974 | ⊔ | ⊔ | ‡bPST ‡cPST ‡d20240117 ‡sgoogle ‡upst.000055059763 ‡zv.19 2005-06 ‡y2006 ‡ric ‡qbib ‡tUS serial item date >= 1929 |
| 974 | ⊔ | ⊔ | ‡bPST ‡cPST ‡d20240117 ‡sgoogle ‡upst.000059681915 ‡zv.21 2007-08 ‡y2008 ‡ric ‡qbib ‡tUS serial item date >= 1929 |
| 974 | ⊔ | ⊔ | ‡bPST ‡cPST ‡d20240117 ‡sgoogle ‡upst.000055236959 ‡zv.22 2008-09 ‡y2009 ‡ric ‡qbib ‡tUS serial item date >= 1929 |