| LDR | 01009cam a2200301Ia 4500 | ||
| 001 | 100642216 | ||
| 003 | MiAaHDL | ||
| 005 | 20150317000000.0 | ||
| 006 | m d | ||
| 007 | cr bn ---auaua | ||
| 008 | 860220s1921 dcua f000 0 eng d | ||
| 019 | ⊔ | ⊔ | ‡a14782233 |
| 035 | ⊔ | ⊔ | ‡asdr-uiuc6350648 |
| 035 | ⊔ | ⊔ | ‡a(OCoLC)13173590 |
| 040 | ⊔ | ⊔ | ‡aMHR ‡cMHR |
| 043 | ⊔ | ⊔ | ‡an-us--- |
| 049 | ⊔ | ⊔ | ‡aUIUU |
| 050 | ⊔ | 4 | ‡aTK5741 ‡b.E43 1921 |
| 245 | 0 | 0 | ‡aElementary principles of radio telegraphy and telephony / ‡cprepared in the Office of the Chief Signal Officer. |
| 250 | ⊔ | ⊔ | ‡a2nd ed. |
| 260 | ⊔ | ⊔ | ‡aWashington : ‡bG.P.O., ‡c1921. |
| 300 | ⊔ | ⊔ | ‡a79 p. : ‡bill. ; ‡c23 cm. |
| 490 | ⊔ | 0 | ‡aRadio communication pamphlet ; ‡vno. 1 |
| 490 | 0 | ⊔ | ‡aDocument / United States. War Dept. ; ‡vno. 1064 |
| 500 | ⊔ | ⊔ | ‡a"April, 1921." |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aRadio ‡xTransmitters and transmission. |
| 650 | ⊔ | 0 | ‡aRadio. |
| 650 | ⊔ | 0 | ‡aTelegraph, Wireless. |
| 710 | 1 | ⊔ | ‡aUnited States. ‡bArmy. ‡bSignal Corps. |
| CID | ⊔ | ⊔ | ‡a100642216 |
| DAT | 0 | ⊔ | ‡a20100929151106.0 ‡b20150317000000.0 |
| DAT | 1 | ⊔ | ‡a20180312220629.0 ‡b2024-02-29T18:57:26Z |
| CAT | ⊔ | ⊔ | ‡aSDR-UIUC ‡dUNKNOWN ‡lprepare.pl-004-007 |
| FMT | ⊔ | ⊔ | ‡aBK |
| HOL | ⊔ | ⊔ | ‡0sdr-uiuc6350648 ‡auiug ‡bSDR ‡cUIUC ‡puiug.30112101497664 ‡sUIU ‡16350648 |
| 974 | ⊔ | ⊔ | ‡bUIU ‡cUIUC ‡d20240229 ‡sgoogle ‡uuiug.30112101497664 ‡y1921 ‡rpd ‡qbib ‡tUS fed doc |